A–Z guide to construction terms — from general contracting to project management.
A higher-voltage circuit for ranges, dryers, EV chargers, and heat pumps. Adding one often needs panel space and a dedicated run.
See also: Wikipedia — Mains Electricity (240V)
Slab thickness options. 3cm is sturdier and often installed without plywood support; 2cm is lighter/cheaper but usually needs a buildup or substrate. Affects look and cost.
See also: Wikipedia — Countertop
The black (ABS) or white (PVC) plastic pipe used for modern drain and vent lines. Local code dictates which is allowed.
See also: Wikipedia — ABS/PVC DWV Pipe
An abrasion-class scale (AC1–AC5) rating laminate durability for residential vs. commercial traffic. Match the rating to the room's use.
See also: Wikipedia — Laminate Flooring
A decorative tile band or feature strip inset into a field of tile. A cost-controllable way to add detail without tiling the whole wall in premium tile.
See also: Wikipedia — Tile
Letting flooring sit in the installed environment to reach equilibrium moisture before installation, preventing later gapping, cupping, or buckling.
See also: NWFA — Technical Standards
Accessibility requirements for door width (32 in. clear minimum), maneuvering space, threshold height, and lever (not knob) hardware.
See also: U.S. DOJ — ADA.gov
A bathroom meeting Americans with Disabilities Act standards — clearances, grab-bar blocking, fixture heights, and turning space. Standards homeowners increasingly adopt for aging-in-place.
See also: U.S. DOJ — ADA.gov
Arc-Fault Circuit Interrupter — detects dangerous arcing that can start fires. Code now requires it on most living-space circuits; remodels must add it.
Arc-fault circuit interrupter protection, required by current code on many kitchen circuits, that detects dangerous arcing. Modern remodels typically must add it where it didn't exist.
Annual Fuel Utilization Efficiency — the percent of fuel a furnace converts to usable heat over a year. 80% is mid-efficiency; 90–98% is condensing/high-efficiency.
See also: U.S. DOE — Furnaces and Boilers
The sand and gravel/stone that makes up most of concrete's volume, providing strength and bulk in the cement matrix.
See also: Wikipedia — Construction Aggregate
Renovation choices that let homeowners safely stay in their home as they age — grab bars, no-step showers, seated bathing, slip-resistant floors. A growing driver of bath remodels.
See also: Wikipedia — Aging in Place
A one-way vent valve allowing air in without a roof penetration, useful for islands and additions where running a vent is impractical (where code permits).
See also: Wikipedia — Air Admittance Valve
The blower unit moving air across the coil and through the ducts, paired with a heat pump or as part of an electric/hydronic system.
See also: Wikipedia — Air Handler
The rate of air infiltration through a window assembly; lower is tighter and more efficient.
A tub that injects warmed air through tiny ports for a softer bubble massage that drains dry (more hygienic than water jets). Also needs a dedicated circuit.
See also: Wikipedia — Bathtub
A tub installed in a three-wall recess with one finished apron, the most common and economical bathtub configuration, typically paired with a tub-shower.
See also: Wikipedia — Bathtub
A budgeted dollar figure placeholder in the contract for an item not yet selected (e.g., tile, fixtures). If your final selection costs more than the allowance, you pay the difference — scrutinize low allowances in bids.
1960s–70s aluminum branch circuits prone to connection overheating. Requires approved remediation (e.g., COPALUM/AlumiConn) for safety.
See also: Wikipedia — Aluminum Wire
A strong, slim-profile metal-framed window; without a thermal break it conducts heat and is less efficient, so used mainly in warm climates or commercial work.
See also: Wikipedia — Window
The home's total electrical capacity (commonly 100A, 150A, 200A). Kitchens, EV chargers, and heat pumps often force a 200A upgrade.
See also: Wikipedia — Ampere
A sacrificial rod inside a tank water heater that corrodes instead of the tank. Replacing it periodically greatly extends heater life.
See also: Wikipedia — Water Heating (Anode)
Valve technology (pressure-balance or thermostatic) required by code on showers and often tubs to prevent sudden dangerous temperature changes.
See also: Wikipedia — Anti-Scald (Mixing) Valve
A trade worker learning a craft through a structured program of paid on-the-job training and classroom instruction under journeymen, the standard path into the skilled trades.
See also: U.S. DOL — Apprenticeship.gov
The trim piece applied to the wall beneath the interior window sill (stool), finishing the assembly.
See also: Wikipedia — Window
Safety practices (de-energizing, lockout/tagout, PPE) for working on electrical systems. Why panel and service work is licensed, permitted trade work.
See also: Wikipedia — Arc Flash
The licensed architect legally responsible for the design documents submitted for permit, certifying the design meets applicable codes and standards.
See also: Wikipedia — Architect of Record
Inert gas sealed between glass panes; denser than air, it slows heat transfer. Krypton outperforms argon in thinner triple-pane cavities.
See also: Wikipedia — Insulated Glazing
Updated drawings that reflect the project exactly as constructed, including all field changes — invaluable for future remodels and locating concealed utilities.
See also: Wikipedia — As-Built Drawing
The vertical molding/seal where a pair of doors meets, closing the gap and providing a stop and weather seal.
See also: Wikipedia — Astragal
A window hinged at the top that swings out from the bottom, shedding rain so it can stay open in light weather. Often used high on walls or above other windows.
See also: Wikipedia — Window
Priming all faces and cut ends of wood/fiber-cement siding and trim before install so moisture can't enter the unsealed back and cause failure.
See also: Wikipedia — Primer (Paint)
Combustion gases (including CO) being pulled back into the house instead of up the flue, often from negative pressure caused by exhaust fans.
See also: Wikipedia — Flue Gas/Backdraft
A rigid cement or fiber-cement panel providing a stable, water-durable base for floor tile over a wood subfloor.
See also: Wikipedia — Cement Board
A foam rod set in the perimeter gap before exterior sealant, sizing the joint so the sealant performs and lasts.
See also: Wikipedia — Sealant
A device stopping contaminated water from being siphoned back into the potable supply. Code-required at hose bibs, irrigation, and boilers.
See also: Wikipedia — Backflow Prevention Device
A check valve in the building drain preventing municipal sewer backups from flooding the home. A recommended add in basement remodels.
See also: Wikipedia — Backwater Valve
The spring or counterweight mechanism in a hung window that holds the sash open at any height. A common failure point in older windows.
See also: Wikipedia — Sash Window
The vertical infill members of a railing. Spacing must reject a 4-inch sphere to meet code.
See also: Wikipedia — Baluster
A grass-based floor; strand-woven bamboo is very hard and durable. Quality and formaldehyde emissions vary widely by manufacturer.
See also: Wikipedia — Bamboo Flooring
A small secondary sink, often in an island or beverage zone, that adds a second water station. Adds plumbing runs and cost but improves multi-cook workflow.
See also: Wikipedia — Sink
A surface-mounted sliding door on an exposed track, a design-driven space saver that does not seal or soundproof like a swing door.
See also: Wikipedia — Sliding Door
A floor-standing cabinet (standard 34.5 in. high, 24 in. deep) that supports the countertop and provides under-counter storage. The structural backbone of the kitchen layout.
See also: Wikipedia — Cabinetry
Trim at the wall base; quarter-round or shoe molding covers the flooring expansion gap and minor floor irregularities.
See also: Wikipedia — Baseboard
A foundation with full-height usable space below grade. Offers expansion potential but adds waterproofing and egress requirements when finished.
See also: Wikipedia — Basement
NEC requires at least one dedicated 20-amp circuit for bathroom receptacles; high-draw items (heated floor, whirlpool, towel warmer) need their own circuits — a frequent panel-capacity issue.
A code-required fan that removes moisture to prevent mold and finish damage, ducted to the exterior (never into the attic). The most neglected critical bath component.
See also: Wikipedia — Exhaust/Ventilation Fan
Stripping the bathroom to studs and subfloor to rebuild everything including waterproofing. The scope most cost models assume and where hidden water damage surfaces.
See also: Wikipedia — Renovation
The budget band of a bath project — from a cosmetic refresh through mid-range and high-end to luxury — defined by scope, fixture grade, and whether the layout changes.
See also: Wikipedia — Renovation
A multi-panel window assembly that projects outward from the wall in an angled bay, adding light, view, and interior space.
See also: Wikipedia — Bay Window
A primary horizontal member that carries loads from joists or framing across a span to posts or walls. Opening up a floor plan usually means adding a sized beam.
See also: Wikipedia — Beam (Structure)
The limited allowable overhang of joists past the beam (and beam past posts). Code caps it as a fraction of the backspan.
See also: Wikipedia — Cantilever
The recess in a wall or foundation that receives and bears the end of a beam. Cutting in new beam pockets is part of the cost when opening a load-bearing wall.
See also: Wikipedia — Beam (Structure)
How much load the soil can safely support. It sizes footings; weak soils require wider footings, piers, or ground improvement.
See also: Wikipedia — Bearing Capacity
A durable looped-pile carpet style. Hides traffic well; snags can run if a loop is cut.
See also: Wikipedia — Carpet (Berber)
A contractor's formal price proposal for a defined scope of work. Always compare multiple bids on the same written scope so you are comparing like for like, not just bottom-line numbers.
See also: Merriam-Webster — Bid
A plumbing fixture for personal washing, either a standalone unit or integrated. Standalone bidets require their own floor space and supply/drain rough-in.
See also: Wikipedia — Bidet
An electronic toilet seat with washing and drying functions that replaces a standard seat. Needs a nearby GFCI outlet and a supply connection — a popular retrofit.
See also: Wikipedia — Bidet
A door of hinged panels that fold against each other, common on closets and as wide multi-panel patio walls.
See also: Wikipedia — Folding Door
A corner base cabinet where part of the interior is hidden and hard to reach behind the adjacent run. Pull-out or swing-out hardware reclaims the dead space.
See also: Wikipedia — Cabinetry
Short pieces between joists or studs that stabilize members against twisting and distribute load. Often required at mid-span by code.
See also: Wikipedia — Framing (Blocking)
A fan-and-gauge test measuring whole-house air leakage. Code increasingly requires a passing result after major remodels.
See also: Wikipedia — Blower Door
Wide vertical boards with narrow battens covering the seams — a farmhouse-style vertical siding pattern available in several materials.
See also: Wikipedia — Board and Batten
Wall-mounted spray jets adding a multi-outlet shower experience. Each outlet adds plumbing and may push total flow past what the valve and code allow.
See also: Wikipedia — Shower
A heating appliance that heats water for radiators, baseboard, or radiant floors (hydronic heat) rather than blowing warm air.
See also: Wikipedia — Boiler (Water Heating)
A surety bond is a guarantee from a third party that the contractor will complete the work (performance bond) or pay subs and suppliers (payment bond). Bonding is a sign of contractor financial stability.
See also: Cornell Law LII — Surety
Tying metallic systems together so they can't carry a dangerous voltage difference. Specific bonding is required for gas piping, water lines, and pools.
See also: Wikipedia — Electrical Bonding
A curved projecting window of four or more equal units forming a gentle arc, a softer alternative to the angular bay.
See also: Wikipedia — Bow Window
A foundation wall pushed inward by soil or hydrostatic pressure. Severity dictates the fix — straps, anchors, bracing, or rebuild.
See also: Wikipedia — Lateral Earth Pressure
Single, double-equal, or low-divide bowl arrangements. Single large bowls suit big cookware; doubles suit simultaneous tasks — a workflow, not just style, decision.
See also: Wikipedia — Sink
The NEC limit on how many conductors/devices fit in an electrical box. Overfilled boxes overheat and are a common inspection failure.
See also: Wikipedia — Junction Box (Box Fill)
Wiring from a breaker to the outlets/devices it serves. Circuit count and dedicated circuits are core to any kitchen, bath, or addition.
A divider board run perpendicular mid-deck so decking doesn't need full-length boards or end butt joints across the field.
See also: Wikipedia — Deck (Building)
A single non-structural brick wythe over a framed wall with an air gap and ties. Durable and low-maintenance; weep holes and flashing are essential.
See also: Wikipedia — Brick Veneer
A faucet whose hot and cold valves connect via an exposed horizontal bridge. A vintage/transitional design statement, typically deck-mounted with two holes.
See also: Wikipedia — Tap (Valve)
British Thermal Units per hour, the measure of a gas burner's heat output. Higher BTU sears faster but raises ventilation (CFM) and make-up-air requirements.
See also: Wikipedia — British Thermal Unit
Flooring lifting off the subfloor, the extreme result of moisture or no expansion gap. Usually requires replacing affected boards and fixing the cause.
See also: NWFA — Technical Standards
The set of minimum legal standards for safe construction adopted by your jurisdiction (in Ohio, based on the International Residential Code). Work must meet code to pass inspection and protect resale.
See also: Wikipedia — Building Code
The main drain leaving the house to the city sewer or septic. Aging clay/cast laterals are a major hidden-cost risk in older homes.
See also: Wikipedia — Sewer Lateral
A true flush, cabinet-depth refrigerator (often panel-ready) integrated into the cabinetry. The premium tier above counter-depth, with a matching price.
See also: Wikipedia — Refrigerator
A fully rounded counter edge. Soft and traditional; hides chips well but reads less modern than a square/eased edge.
See also: Wikipedia — Bullnose
A counter of glued wood strips. Warm and repairable but needs oiling and is vulnerable to water and heat — often used as an accent run rather than the whole kitchen.
See also: Wikipedia — Butcher Block
A transitional service space between kitchen and dining room with counter, cabinets, and often a sink — used for staging, serving, and extra storage in higher-end projects.
See also: Wikipedia — Butler's Pantry
The structural box of a cabinet — sides, bottom, back — minus doors and drawer fronts. Box material (plywood vs. particleboard vs. MDF) is the single biggest quality and longevity factor.
See also: Wikipedia — Cabinetry
Decorative molding at the top of wall cabinets that finishes them to the ceiling or soffit. Adds a built-in, finished look and is a common upgrade line item.
See also: Wikipedia — Crown Molding
Replacing doors, drawer fronts, and applying new veneer to existing boxes while keeping the carcasses. A mid-cost refresh that only works if the existing boxes and layout are sound.
See also: Wikipedia — Cabinetry
Sanding and repainting or restaining existing cabinets and doors in place. The lowest-cost cosmetic update; results depend heavily on prep and spray finish quality.
See also: Wikipedia — Wood Finishing
The stock / semi-custom / custom budget band. Because cabinets are typically 30–40% of a kitchen budget, the tier chosen is the single biggest driver of total cost.
See also: Wikipedia — Cabinetry
Horizontal stainless cables as rail infill for a view-through modern look. Cables must be highly tensioned and posts reinforced to keep spacing compliant.
See also: Wikipedia — Guard Rail (Cable)
Running a camera down the sewer lateral to find breaks, bellies, or root intrusion before they become an emergency — wise before a major remodel.
See also: Wikipedia — Sanitary Sewer
A structural member extending beyond its support, loaded at the free end (e.g., a bumped-out floor or balcony). Backspan and connection are critical.
See also: Wikipedia — Cantilever
A gap or coating stopping water from wicking between materials (e.g., between siding and trim or framing and concrete).
See also: Wikipedia — Capillary Action
High-strength strips bonded to a bowing foundation wall to arrest further inward movement — a less invasive alternative to wall replacement for minor bowing.
Colorless toxic gas from incomplete combustion. Cracked exchangers, backdrafting, and bad venting cause it — driving CO-alarm and venting code rules.
See also: U.S. EPA — Carbon Monoxide
A skilled tradesperson who constructs, installs, and repairs structures and fixtures from wood and other materials — framing, trim, cabinetry, and finish work.
See also: U.S. BLS — Carpenters
The resilient underlayment beneath carpet that extends its life, adds comfort and insulation. Correct density matters more than thickness.
See also: Wikipedia — Carpet
The visible fiber surface of carpet — cut, loop (Berber), or cut-and-loop — which drives look, feel, and wear performance.
See also: Wikipedia — Carpet
Modular carpet squares allowing spot replacement and patterns. Popular in basements and rentals for easy repair.
See also: Wikipedia — Carpet
A window hinged at the side that swings outward via a crank. Seals tightly when closed, giving strong energy performance and full-opening ventilation.
See also: Wikipedia — Casement Window
The decorative trim framing a window or door opening on the interior or exterior, covering the gap between frame and wall.
See also: Wikipedia — Architrave
Older quiet but corrodible drain piping. Deteriorated cast iron under slabs/in stacks is a common reason for invasive plumbing work.
See also: Wikipedia — Cast Iron Pipe
A flexible sealant used to close gaps and joints against air and water (around trim, tubs, counters). The right caulk for the location matters — kitchen/bath joints need a mildew-resistant silicone.
See also: Wikipedia — Caulk
A rigid cement-based panel used as a stable, water-durable substrate for tile in wet areas — preferred over drywall behind tile in showers and on counters.
See also: Wikipedia — Cement Board
A traditional single round drain at the shower center requiring the floor to slope from four directions, which forces smaller mosaic tile on the floor.
See also: Wikipedia — Drain (Plumbing)
A bath faucet with handles and spout on a single base, typically 4 in. between handle centers. The compact, economical standard for smaller sinks.
See also: Wikipedia — Tap (Valve)
A split system with an outdoor condenser and indoor coil that cools the whole house through the existing ductwork.
See also: U.S. DOE — Central Air Conditioning
Fired clay tile with a glazed surface — economical, water-resistant, and easy to maintain; softer and more porous than porcelain.
See also: Wikipedia — Tile
A document issued by the building department certifying a structure complies with code and is safe to occupy. Often required after major remodels and before a property can be legally sold.
See also: Wikipedia — Certificate of Occupancy
A written, signed amendment that adds, removes, or modifies work after the contract is signed, adjusting price and schedule accordingly. Verbal changes are the leading cause of remodel disputes — get every change in writing.
See also: Wikipedia — Change Order
An automatic switch that interrupts a circuit on overload or short, resettable unlike a fuse. The modern overcurrent device.
See also: Wikipedia — Circuit Breaker
A wood-interior window with an aluminum or vinyl exterior skin, combining a warm interior with a maintenance-free exterior.
See also: Wikipedia — Window
Horizontal boards installed overlapping to shed water — the most common siding profile across materials.
See also: Wikipedia — Clapboard
A vintage-style freestanding tub on raised feet. Period charm; needs exposed supply/drain plumbing and adequate floor structure.
See also: Wikipedia — Bathtub
A capped access fitting for snaking/clearing the drain line. Code requires them at intervals and direction changes.
See also: Wikipedia — Drain-Waste-Vent System
A tongue-and-groove profile that mechanically snaps planks together for glueless floating installation.
See also: Wikipedia — Floating Floor
A concrete block used for foundation and structural walls, often grouted and reinforced with rebar at intervals.
See also: Wikipedia — Concrete Masonry Unit
Horizontal members resisting rafter spread (rafter tie, low) or uplift (collar tie, high). Removing them to open a ceiling causes the roof to push walls out.
See also: Wikipedia — Rafter (Ties)
Outside air a fuel-burning appliance needs to burn safely. Tightening a house without providing it can cause backdrafting and CO risk.
See also: Wikipedia — Combustion (Air Supply)
Requirements ensuring fuel appliances get enough air in confined spaces (e.g., a furnace closet). Tightening the envelope can trigger this.
See also: Wikipedia — Combustion (Air Code)
Atmospheric, power-vent, or direct-vent options for gas water heaters. Switching types during a remodel affects venting and combustion-air work.
See also: U.S. DOE — Water Heating
A toilet with a higher seat (~17–19 in., chair height) that is easier to sit and stand from. Now the default choice and a key aging-in-place feature.
See also: U.S. DOJ — ADA.gov
Meeting all applicable codes, permit conditions, and regulations for the work performed. Documented compliance is what protects you at resale and with insurers.
See also: Merriam-Webster — Compliance
Boards of wood fiber and plastic — low-maintenance, no staining, longer warranty, higher upfront cost than wood. The dominant modern decking.
See also: Wikipedia — Composite Lumber
A mix of cement, aggregate, and water that cures into a hard structural material used for footings, slabs, and foundations. Curing time affects schedule on any structural work.
See also: Wikipedia — Concrete
A cast custom counter, often site-formed, with an industrial look. Heavy, customizable, and porous — requires sealing and can hairline-crack.
See also: Wikipedia — Countertop
The line removing water the AC coil pulls from the air. Clogs cause overflow and water damage; a safety float switch is recommended.
See also: Wikipedia — Air Conditioning
An NFRC-rated measure (0–100) of a window's ability to resist interior surface condensation; higher is better.
See also: U.S. DOE — Energy Efficient Windows
The outdoor unit that rejects heat removed from the house. Needs clearance and airflow; undersizing or dirty coils kill efficiency.
See also: Wikipedia — Air Conditioning
A high-efficiency (90%+ AFUE) furnace that extracts extra heat from exhaust, producing acidic condensate that needs a drain and PVC venting.
See also: U.S. DOE — Furnaces and Boilers
Protective tubing (EMT, PVC) for wiring in exposed, exterior, or damp locations and where code requires physical protection.
See also: Wikipedia — Electrical Conduit
A reserve (typically 10–15% of project cost) set aside for hidden conditions and surprises uncovered once work begins. The line clients most want to skip and most often need.
See also: Investopedia — Contingency
Rigid foam over the sheathing, under the siding, that breaks thermal bridging through studs. Increasingly code-relevant and added during re-siding.
See also: U.S. DOE — Insulation
The legally binding agreement between owner and contractor that defines scope, price, schedule, and responsibilities. A remodel should never start on a handshake — the contract is your primary protection.
See also: Cornell Law LII — Contract
The full set of papers that together form the agreement — the signed contract, drawings, specifications, scope of work, allowances, and any addenda. All of it governs the job, not just the signature page.
See also: Wikipedia — Contract
A tooled or cut groove that pre-determines where concrete will crack as it shrinks, keeping cracks straight and hidden rather than random.
See also: Wikipedia — Control Joint
An oven with a fan that circulates heated air for faster, more even cooking. A common upgrade over conventional radiant-only ovens.
See also: Wikipedia — Convection Oven
A counter-set cooking surface with no oven below, paired with a separate wall oven. Frees the under-counter space and supports a flexible layout — at higher combined cost.
See also: Wikipedia — Cooktop (Hob)
Durable, long-proven supply piping (types L/M). More costly and labor-intensive than PEX; still specified where preferred or required.
See also: Wikipedia — Copper Tubing
A renewable floor from cork bark — soft, warm, and sound-absorbing, but dents and needs sealing and humidity control.
See also: Wikipedia — Cork (Material)
Trim at outside (and inside) wall corners that receives and finishes siding ends for a weather-tight, clean corner.
See also: Wikipedia — Siding
Zonda's annual study comparing remodel cost to resale return. A midrange bath remodel consistently returns a strong share of its cost, and an added bath also adds value.
See also: Zonda — Cost vs. Value Report
Zonda's annual study comparing remodel cost to resale return by project and region. It places minor kitchen remodels among the strongest ROI of any home project (~96%+).
See also: Zonda — Cost vs. Value Report
Two contract structures: fixed-price (lump sum, contractor bears overrun risk) versus cost-plus (owner pays actual costs plus a fee, owner bears overrun risk). Each shifts risk and pricing transparency differently.
See also: Investopedia — Cost-Plus Contract
A refrigerator built shallower (~24–30 in.) to sit nearly flush with counters for a built-in look. Costs more and trades some interior capacity for the cleaner line.
See also: Wikipedia — Refrigerator
Cutting, edging, and finishing slabs to the templated dimensions including sink and cooktop cutouts. A precision shop process billed separately from the slab material.
See also: Wikipedia — Countertop
NEC rule that no point along a counter is more than 24 in. from a receptacle (and any counter ≥12 in. wide gets one). Drives how many outlets a remodel must add.
The joint where two counter pieces meet, unavoidable on runs longer than a slab or at certain angles. Seam placement and quality are a fabrication craftsmanship marker.
See also: Wikipedia — Countertop
One horizontal row of siding running the length of the wall. Courses are kept level and to consistent exposure for a straight appearance.
See also: Wikipedia — Siding
Chlorinated PVC supply pipe rated for hot and cold water; an alternative to copper/PEX in some regions.
See also: Wikipedia — CPVC
Tracking a foundation crack's width over time (e.g., with a tell-tale gauge) to judge whether movement is active or stable before choosing a repair.
See also: Wikipedia — Crack/Fracture
A shallow accessible void below the floor (instead of a basement or slab) housing structure, plumbing, and ducts. Its condition affects access cost and moisture risk on remodels.
See also: Wikipedia — Crawl Space
Sealing a crawl space with a heavy vapor barrier (and often a dehumidifier) to control moisture, mold, and wood rot affecting the structure above.
See also: Wikipedia — Crawl Space
Board centers higher than edges, often from sanding a still-damp cupped floor too soon. Reversing it requires correcting moisture and re-sanding later.
See also: NWFA — Technical Standards
A molded composite of stone particles and resin, often a one-piece vanity top with integrated sink. An economical, seamless, low-maintenance bath surface.
See also: Wikipedia — Cultured Marble
Board edges rising higher than centers from a moisture imbalance (wetter underside). A symptom of a moisture problem, not just a finish defect.
See also: NWFA — Technical Standards
A bathroom with a zero-threshold (no curb) shower entry for roll-in accessibility and a modern look. Requires recessing or sloping the floor structure to drain.
See also: U.S. DOJ — ADA.gov
Maintaining moisture and temperature while concrete gains strength. Concrete reaches most of its strength over ~28 days; rushing it weakens the pour.
See also: Wikipedia — Concrete Curing
Cabinets built to exact specifications, any size, material, or finish. The highest cost and longest lead time, justified for unusual layouts or specific design intent.
See also: Wikipedia — Cabinetry
Light fixtures rated for bath moisture exposure — 'damp' for general bath areas, 'wet' for inside showers/over tubs. Using the correct rating is a code requirement.
See also: Wikipedia — Light Fixture
An asphaltic coating that resists soil moisture (not liquid water pressure). The minimum builder treatment — less protective than true waterproofing.
See also: Wikipedia — Damp Proofing
An adjustable plate in a duct that balances or shuts off airflow to a zone or branch.
See also: Wikipedia — Damper (Flow)
The permanent weight of the structure itself — framing, finishes, roofing. The baseline load every member is sized for.
See also: Wikipedia — Structural Load (Dead Load)
A lock bolt thrown by a key or thumbturn (not spring-actuated), the primary security lock on an exterior door. Grade 1 is the highest residential rating.
See also: Wikipedia — Deadbolt
The roll-off container for construction waste. Placement, permits for street placement, and haul-away are real line items and logistics on any sizeable remodel.
See also: Wikipedia — Roll-Off (Dumpster)
The horizontal member spanning between posts that carries the joists. Size depends on span and the joist load above it.
See also: Wikipedia — Deck (Building)
The trim board covering the outer rim joist for a finished edge, often matching or contrasting the decking.
See also: Wikipedia — Deck (Building)
The concrete base below a deck post, sized and dug below the frost line to carry the post load without heaving or settling.
See also: Wikipedia — Foundation (Footing)
The repetitive members spanning ledger to beam that the decking fastens to. Spacing (12–16 in.) depends on decking type and direction.
See also: Wikipedia — Deck (Building)
A vertical member (typically 6x6) carrying the deck beam down to the footing, secured top and bottom with rated connectors.
See also: Wikipedia — Deck (Building)
A penetrating or film finish protecting wood decking from UV and moisture; requires periodic reapplication, unlike composite.
See also: Wikipedia — Wood Finishing
The walking-surface boards fastened across the joists — wood, composite, PVC, or aluminum. The most-visible and most-replaced deck component.
See also: Wikipedia — Deck (Building)
The maximum joist spacing a given decking can bridge without sagging — varies by material and whether boards run straight or diagonal.
See also: Wikipedia — Deck (Building)
A separate circuit serving one appliance (range/oven 240V, dishwasher, disposal, microwave, often the refrigerator). Multiple dedicated circuits are why a kitchen often needs panel capacity.
A circuit serving one appliance only (e.g., range, dryer, microwave, EV charger). Required by code for many large or motor loads.
See also: Wikipedia — Electrical Wiring
How much a beam or joist bends under load. Code limits it (e.g., L/360) so floors don't feel bouncy or crack finishes even when not at risk of failure.
See also: Wikipedia — Deflection (Engineering)
A ducted unit removing humidity in muggy climates/basements for comfort and mold control beyond what AC alone provides.
See also: Wikipedia — Dehumidifier
The controlled removal of existing finishes and structure to prepare for new work. A clean, properly contained demo is where most hidden conditions (rot, old wiring, mold) are first uncovered.
See also: Wikipedia — Demolition
A rating of how much wind load a window can withstand. Higher DP is required in high-wind and coastal zones.
See also: Wikipedia — Window
A delivery method where one entity handles both design and construction under a single contract, giving the owner one point of responsibility and tighter cost/design feedback.
See also: Wikipedia — Design–Build
Uneven sinking of parts of a foundation, the cause of most serious structural cracking, sticking doors, and sloping floors.
See also: Wikipedia — Settlement (Structural)
A control varying light level. Must be compatible with the bulb/driver type (LED-rated) to avoid flicker and buzz.
See also: Wikipedia — Dimmer
A code-required backflow-prevention fitting (often a small counter cylinder) that keeps drain water from siphoning back into the dishwasher. Required by plumbing code in many jurisdictions.
See also: Wikipedia — Air Gap (Plumbing)
A counter- or sink-mounted pneumatic button that switches the disposal without a wall switch — useful where no wall is nearby and increasingly the clean modern choice.
See also: Wikipedia — Garbage Disposal Unit
The control that routes water between outlets — tub spout to showerhead, or among showerhead, hand shower, and body sprays.
See also: Wikipedia — Tap (Valve)
A device that controls a door's closing speed and ensures it latches, common on garage-to-house fire-rated doors.
See also: Wikipedia — Door Closer
The frame the door is mounted in — two side jambs and a head jamb. Must be plumb and square for the door to operate and seal.
See also: Wikipedia — Jamb
A seal along the bottom edge of a door that closes the gap to the threshold against drafts, water, and pests.
See also: Wikipedia — Weatherstripping
Two oven cavities (stacked wall ovens, or a double-oven range) for cooking at two temperatures at once. A capacity upgrade favored by frequent entertainers.
See also: Wikipedia — Oven
A vanity with two sinks, typically 60 in.+ wide, for shared primary baths. Needs adequate wall length and two sets of supply/drain rough-ins.
See also: Wikipedia — Bathroom Cabinet
A window with two operable sashes that both slide vertically and usually tilt in for cleaning. The most common residential window in older U.S. homes.
See also: Wikipedia — Sash Window
A two-pane insulated glass unit, the modern baseline for energy-efficient windows.
See also: Wikipedia — Insulated Glazing
A vent that rises behind or beside the cooktop and pulls air downward, used where an overhead hood is undesirable (islands). Generally less effective than an overhead hood.
See also: Wikipedia — Kitchen Hood
The vertical pipe carrying gutter water down and away from the foundation. Extensions or buried drains move it far enough out to matter.
See also: Wikipedia — Downspout
The system carrying waste out and venting the drains so traps hold their seal. The hardest part to relocate in a remodel.
See also: Wikipedia — Drain-Waste-Vent System
The continuous surface (the WRB and its flashings) designed to carry any water that gets behind the cladding safely back out.
See also: Wikipedia — Drainage Plane (WRB)
The agreed timeline of payments tied to completed project milestones rather than calendar dates. A fair draw schedule keeps payments slightly behind the work completed, never ahead of it.
See also: Investopedia — Construction Loan
The drawer's structural box. Solid-wood sides joined with dovetail joints signal quality and durability; stapled particleboard boxes are the low end.
See also: Wikipedia — Dovetail Joint
The coordinated package of plans — floor plans, elevations, sections, and details — that defines the design and governs construction and permitting.
See also: Wikipedia — Architectural Drawing
Metal flashing at roof eaves and rakes that directs water into the gutter and keeps it off the fascia and sheathing.
See also: Wikipedia — Flashing (Weatherproofing)
A self-rimming sink that drops into a counter cutout with its rim resting on top. Lowest-cost install; the rim catches debris but works on any counter material.
See also: Wikipedia — Sink
A tub shell set into a finished deck or surround. Offers design flexibility but the deck adds footprint and cost.
See also: Wikipedia — Bathtub
Gypsum panel wall and ceiling material (also called sheetrock) that is hung, taped, mudded, and finished. Any wall opened during a remodel needs drywall repair and finish.
See also: Wikipedia — Drywall
A toilet with two flush volumes (liquid/solid) to save water. Often WaterSense-labeled; reduces water use versus single-flush models.
See also: U.S. EPA WaterSense — Toilets
A heat pump paired with a gas furnace that switches to gas in extreme cold for the most cost-effective heating across the season.
See also: U.S. DOE — Heat Pump Systems
Mastic/foil-tape sealing of duct joints to stop leakage (often 20–30% of conditioned air). One of the highest-ROI efficiency improvements.
See also: Wikipedia — Duct (Flow)
Ducted hoods exhaust outside (most effective); ductless/recirculating hoods filter and return air to the room (used where no duct path exists, far less effective).
See also: Wikipedia — Kitchen Hood
A heat pump with an outdoor unit and wall/ceiling indoor heads, no ductwork. Ideal for additions, conversions, and zoning specific rooms.
The supply/return passages distributing conditioned air. Leaky or undersized ducts are a top cause of comfort and efficiency complaints.
See also: Wikipedia — Duct (Flow)
Temporary barriers, zip walls, and negative-air setups that keep demolition and sanding dust out of occupied areas. Standard practice for live-in remodels and required where lead is present.
A door split horizontally so the top and bottom open independently.
See also: Wikipedia — Dutch Door
A nearly-square counter edge with the sharp corner slightly softened. The most common, lowest-cost, and most contemporary edge profile.
See also: Wikipedia — Countertop
A recorded legal right for someone else (often a utility) to use part of your land. Building over an easement can force removal at your expense — check the survey before adding structures.
See also: Cornell Law LII — Easement
A kitchen with space for a table or banquette for casual dining within the room, distinct from a separate dining room. A frequent buyer priority that affects layout choices.
See also: Wikipedia — Kitchen
White mineral deposits left on masonry or concrete as water migrates through and evaporates. A sign of moisture movement to investigate, not just a stain.
See also: Wikipedia — Efflorescence
A code-required path of exit from a space in an emergency. Bedrooms and finished basements require a compliant egress window or door of minimum size and reachable height.
See also: Wikipedia — Egress Window
IRC minimums for an emergency escape opening — clear width, height, area (about 5.7 sq ft), and max sill height — that govern bedroom/basement windows.
See also: Wikipedia — Egress Window
A window meeting code minimum size and sill height to serve as an emergency exit, required for bedrooms and finished basements.
See also: Wikipedia — Egress Window
An excavated, retained, and drained well allowing a code-compliant egress window below grade — required to make a basement bedroom legal.
See also: Wikipedia — Egress Window
Exterior Insulation and Finish System — a foam-and-synthetic-stucco cladding. Energy-efficient but notorious for moisture failures if not drainable and detailed correctly.
See also: Wikipedia — EIFS
Baseboard, wall, or furnace strip heat that converts electricity directly to heat. 100% efficient at the unit but expensive to run versus a heat pump.
See also: U.S. DOE — Electric Resistance Heating
A licensed tradesperson who installs and maintains wiring, panels, circuits, and devices to code. Remodels that add circuits or move panels require a licensed electrician and inspection.
See also: U.S. BLS — Electricians
Replacing fossil-fuel HVAC/water heating with heat pumps. Often paired with a panel/service upgrade and may qualify for IRA tax credits and rebates.
See also: U.S. DOE — Heat Pump Systems
A flat, straight-on drawing of one face of a structure or wall (e.g., a kitchen wall elevation) showing heights and vertical relationships that a plan view cannot.
Toilet bowl shapes: elongated (oval, more comfortable, needs more clearance) versus round-front (compact, fits tight spaces). A clearance-driven choice.
See also: Wikipedia — Flush Toilet
A finished panel applied to an exposed cabinet side so it matches the door fronts instead of showing raw box material — required wherever a cabinet end is visible.
See also: Wikipedia — Cabinetry
A professional assessment (often with a blower door) identifying the highest-ROI efficiency improvements before a mechanical remodel.
See also: U.S. DOE — Home Energy Audits
The EPA program certifying windows that meet regional efficiency criteria; the simplest shortcut to a climate-appropriate efficient window.
See also: U.S. DOE — Energy Efficient Windows
A real-wood wear layer over a cross-ply core for dimensional stability. Handles humidity and below-grade better than solid; refinishing is limited by wear-layer thickness.
See also: Wikipedia — Wood Flooring
Treated wood-strand siding (e.g., LP SmartSide) — lighter and more impact-tough than fiber-cement with a real-wood look; needs proper edge sealing.
See also: Wikipedia — Siding
A seamless resinous coating over concrete, common in garages and basements for chemical and abrasion resistance.
See also: Wikipedia — Epoxy (Flooring)
A stain-proof, waterproof grout that resists the discoloration cement grout suffers in wet areas. Costlier and harder to install but the premium choice for showers.
See also: Wikipedia — Grout
Energy/Heat Recovery Ventilators that supply fresh air while recovering heat (and, for ERV, humidity) from exhaust. Key for tight, healthy homes.
See also: U.S. DOE — Whole-House Ventilation
The decorative trim plate covering the wall or deck penetration around a valve, faucet, or pipe — the visible cap over the rough plumbing.
See also: Wikipedia — Tap (Valve)
The indoor coil (usually atop the furnace) where refrigerant absorbs heat from house air. Paired and matched to the condenser.
See also: Wikipedia — Air Conditioning
Earth removal for foundations, footings, or utilities. Regulated for cave-in safety and requires utility locating before digging.
See also: U.S. OSHA — Trenching & Excavation
The deliberate space left at walls and fixed objects so wood/laminate/vinyl can expand and contract without buckling. Hidden by baseboard or trim.
See also: Wikipedia — Wood Flooring
A deliberate separation that lets adjacent concrete or structure move with temperature and load without cracking or buckling.
See also: Wikipedia — Expansion Joint
A small tank absorbing thermal expansion on a closed system (with a backflow preventer/PRV). Code-required in many areas to protect the heater and plumbing.
See also: Wikipedia — Expansion Tank
Clay-rich soil that swells when wet and shrinks when dry, cyclically stressing foundations. A leading cause of foundation cracking and movement.
See also: Wikipedia — Expansive Clay
The face height of siding left visible after the overlap. Consistent exposure is the mark of a quality installation.
See also: Wikipedia — Siding
Sealant at trim-to-siding and penetration joints. The wrong joints (e.g., siding butt-to-trim where it should drain) trap water — caulking is detail-specific.
See also: Wikipedia — Caulk
The primer-plus-topcoat regimen matched to the substrate. Proper prep and product selection determine whether siding holds paint 5 or 15 years.
See also: Wikipedia — Paint
Excavating to the footing and applying a membrane/coating plus drainage to the outside of the foundation — the most thorough (and costly) basement fix.
See also: Wikipedia — Waterproofing
A cabinet with a solid wood frame across the front of the box. The traditional American style; the frame adds rigidity but slightly narrows the opening versus frameless.
See also: Wikipedia — Cabinetry
Ounces of pile fiber per square yard — a rough density/quality indicator when comparing similar carpet constructions.
See also: Wikipedia — Carpet
Sizing the exhaust fan to the room — a common rule is 1 CFM per square foot, more for large baths or enclosed tub/shower areas. Undersized fans fail to clear moisture.
See also: ENERGY STAR — Ventilation Fans
A combined exhaust fan and ceiling light (sometimes with heater or Bluetooth). A common space-saving fixture; the fan still must be ducted outside.
See also: ENERGY STAR — Ventilation Fans
A large single-bowl sink with an exposed front that replaces the cabinet face. A design statement that requires a specific modified sink base cabinet.
See also: Wikipedia — Sink
The vertical band at the roof edge that caps the rafter/truss tails and carries the gutter. A common rot repair tied to gutter failure.
See also: Wikipedia — Fascia
The number and spacing of holes drilled in the sink or top (single, centerset 4 in., widespread 8 in.). Must match the chosen faucet — decided before the top is fabricated.
See also: Wikipedia — Sink
The conductors carrying power from the main panel to a subpanel or large appliance disconnect.
See also: Wikipedia — Electrical Wiring (Feeder)
A cement/cellulose composite (e.g., Hardie) — durable, fire- and rot-resistant, paint-holding. Heavier and costlier to install than vinyl; a top resale performer.
See also: Wikipedia — Fiber-Cement Siding
An exterior door with a fiberglass skin over an insulated core — dent- and rot-resistant, can mimic wood grain, low maintenance.
See also: Wikipedia — Door
A pultruded-fiberglass frame that is strong, stable across temperature swings, and paintable. A premium, durable alternative to vinyl.
See also: Wikipedia — Window
The tank components that refill after a flush (fill valve) and release water to the bowl (flapper). The usual culprits in a running toilet.
See also: Wikipedia — Fill Valve (Ballcock)
A blank strip of matching material that fills the gap where cabinet runs meet a wall or each other, allowing doors and drawers to open without binding in corners.
See also: Wikipedia — Cabinetry
A table in the drawings specifying the exact finish for every surface in every room — flooring, wall, ceiling, trim — so selections are documented, not assumed.
See also: Wikipedia — Architectural Drawing
A door assembly tested to resist fire for a set time, code-required between an attached garage and the living space and in certain other locations.
See also: Wikipedia — Fire Door
How much hot water a heater delivers in a peak hour (tank) or gallons-per-minute (tankless). The right sizing metric, not just tank gallons.
See also: U.S. DOE — Sizing a Water Heater
The required spacing between and around fixtures (e.g., centerline-to-wall at a toilet, space in front of a vanity). Code minimums exist; NKBA recommends more generous figures.
See also: NKBA — Bath Planning Guidelines
Thin water-resistant material installed at joints and transitions (roof-to-wall, around windows and penetrations) to direct water away and prevent leaks into the assembly.
See also: Wikipedia — Flashing (Weatherproofing)
Self-adhered membrane lapped around a window opening in shingle fashion to drain incidental water out and away. The make-or-break of a leak-free install.
See also: Wikipedia — Flashing (Weatherproofing)
A composite beam of steel plate sandwiched between wood members, used where a slim but very strong beam is needed.
See also: Wikipedia — Flitch Beam
A vanity mounted to the wall with open floor beneath. A contemporary look that eases floor cleaning but requires solid in-wall blocking to carry the load.
See also: Wikipedia — Bathroom Cabinet
Planks that lock to each other but not to the subfloor, resting on underlayment. Standard for laminate and most rigid vinyl; fast and forgiving.
See also: Wikipedia — Floating Floor
Formaldehyde-emission limits for composite-wood floors set by CARB and EPA TSCA Title VI. Compliant-labeled products protect indoor air quality.
Tolerance of the substrate's deviation over a span. Large-format tile and rigid plank demand a flatter floor than older finishes did.
See also: Wikipedia — Floor (Flatness)
A scaled overhead view of a level showing walls, rooms, openings, and fixture locations. The primary drawing for understanding layout and flow.
See also: Wikipedia — Floor Plan
The pipe carrying combustion gases safely outside. Improper sizing, slope, or material is a serious carbon-monoxide hazard.
See also: Wikipedia — Flue
A door with flat, smooth faces and no panel detail — the minimalist/modern and economical interior style.
See also: Wikipedia — Door
The widened concrete base below a foundation wall or post that spreads the structure's load over enough soil to prevent settling. New structural posts require their own footings.
See also: Wikipedia — Foundation (Footings)
Perforated pipe in gravel along the footing that collects groundwater and routes it away or to a sump, relieving pressure on the foundation.
See also: Wikipedia — Drain Tile/French Drain
The lead worker who directs a specific crew or trade on site, working alongside the team while ensuring the work meets plan and schedule.
See also: Wikipedia — Construction Foreman
The structure (slab, crawl space, or basement) that transfers the building's load to the ground. Foundation condition underlies the feasibility and cost of major remodels.
See also: Wikipedia — Foundation (Engineering)
Enclosures with full or partial metal framing around thinner glass. More economical than frameless; the framing collects grime over time.
See also: Wikipedia — Shower
A cabinet with no front frame; doors mount directly to the box for full-access interiors and a clean modern look. Demands more precise installation to keep doors aligned.
See also: Wikipedia — Cabinetry
A thick tempered-glass door/panel with minimal hardware. The premium modern enclosure; requires precise opening tolerances and solid anchoring.
See also: Wikipedia — Shower
The skeleton of wood or steel members — studs, joists, rafters, beams — that gives a structure its shape and carries its loads before finishes go on.
See also: Wikipedia — Framing (Construction)
A standalone range with finished sides and a rear control backguard. The most common and economical configuration; works without flanking cabinets.
See also: Wikipedia — Kitchen Stove
A standalone sculptural tub not attached to walls, a focal point of high-end baths. Requires floor-space, structural floor capacity (full tubs are heavy), and often floor-mounted filler plumbing.
See also: Wikipedia — Bathtub
A pair of hinged glazed doors that meet at the center, used for patios and room openings. Wide opening but needs swing clearance.
See also: Wikipedia — French Doors
A gravel-filled trench with perforated pipe that redirects surface and groundwater away from the structure.
See also: Wikipedia — French Drain
The trim board at the top of the siding where the wall meets the soffit, finishing the top course.
See also: Wikipedia — Frieze (Trim)
A deck footing extended below the local frost line so seasonal ground freezing cannot heave the deck.
See also: Wikipedia — Frost Line
Upward soil movement when moisture freezes and expands, lifting shallow footings, slabs, and steps. Prevented by footing depth and drainage.
See also: Wikipedia — Frost Heaving
The depth to which ground freezes locally. Footings must bear below it (in central Ohio ~32 in.) so frost heave can't lift the structure.
See also: Wikipedia — Frost Line
Switching an appliance/home between gas, propane, and electric. Affects venting, gas sizing, electrical service, and rebate eligibility.
See also: U.S. DOE — Home Heating Systems
A bathroom with all four fixtures — toilet, sink, bathtub, and shower (or a tub-shower). The configuration that defines a 'full' bath for appraisal and listing purposes.
See also: Wikipedia — Bathroom
Doors and drawer fronts that cover almost the entire cabinet face, leaving only a thin reveal between them — a contemporary look available on both framed and frameless boxes.
See also: Wikipedia — Cabinetry
Drawer hardware that lets the drawer pull out completely for full access to the back. Superior to 3/4-extension slides; load rating matters for heavy drawers.
See also: Wikipedia — Drawer (Furniture)
Removing the entire old window down to the rough opening and installing a new complete unit. More invasive and costly but corrects rot and lets you resize.
See also: Wikipedia — Window
A forced-air heater burning gas/oil or using electric elements, distributing heat through ductwork. The most common U.S. central heating system.
See also: Wikipedia — Furnace (Central Heating)
Thin strips fastened to a wall or ceiling to create a level, plumb nailing surface or an air gap before finish material is applied — common over masonry or uneven framing.
See also: Wikipedia — Furring
Vertical strips creating the rainscreen gap and a fastening plane for siding while keeping it off the WRB.
See also: Wikipedia — Rainscreen (Furring)
A corridor layout with two parallel runs of cabinets and a single aisle between. Efficient for cooking; the aisle width (NKBA recommends 42–48 in.) is the critical dimension.
See also: Wikipedia — Galley Kitchen
Old zinc-coated steel supply pipe that corrodes and restricts flow internally. A common reason older homes need a repipe.
See also: Wikipedia — Galvanized Steel (Pipe)
Corrosion-resistant fastener choices for treated lumber. Modern treated wood is corrosive — using under-rated hardware causes premature connection failure.
See also: Wikipedia — Galvanization
Seasonal spaces opening between boards when wood loses moisture in dry months. Some movement is normal; excessive gapping signals humidity-control issues.
See also: NWFA — Technical Standards
A large sectional or one-piece door closing the garage opening, typically with a powered opener. A major exterior weather and security element.
See also: Wikipedia — Garage Door
An under-sink unit that grinds food waste into the drain. Standard in most kitchens; adds an electrical and plumbing connection and, with a switch, a code consideration.
See also: Wikipedia — Garbage Disposal Unit
A small projecting box window, often over a kitchen sink, with glass on multiple sides and a shelf for plants.
See also: Wikipedia — Window
Fuel gas piping (black iron or flexible CSST). Adding a range, pro cooktop, tankless heater, or fireplace often requires sizing/extending it.
See also: Wikipedia — Gas Piping/Distribution
The utility meter and supply sized to total appliance demand. High-BTU additions can exceed capacity and require a utility upgrade.
See also: Wikipedia — Gas Meter
The party responsible for the overall project — scheduling, hiring and managing subcontractors, pulling permits, and delivering the finished job. Your single point of accountability.
See also: Wikipedia — General Contractor
A ground-source heat pump exchanging heat with stable earth temperatures via buried loops — very efficient, high install cost.
See also: U.S. DOE — Geothermal Heat Pumps
Ground-Fault Circuit Interrupter — cuts power on a small leakage current near water. Code-required at kitchens, baths, garages, exteriors, and more.
Ground-fault circuit interrupter protection, required by code on kitchen counter receptacles, that cuts power on a fault near water. A non-negotiable code item in any kitchen remodel.
A large primary beam that carries other beams or joists. The main load-collecting member, often mid-span under a floor down to columns.
See also: Wikipedia — Girder
A cabinet door with a glass panel, optionally divided by mullions (grids), used to display contents and break up a wall of solid doors. Adds cost per door.
See also: Wikipedia — Mullion
The glass component of a window and the process of installing it. 'Single/double/triple glazing' refers to the number of glass panes.
See also: Wikipedia — Glazing (Window)
Bonding flooring directly to the substrate with adhesive — used for engineered wood and tile over concrete where nailing isn't possible.
See also: Wikipedia — Wood Flooring
Glued-laminated timber — a structural beam of bonded dimensional lumber, often used where the beam is exposed for appearance.
See also: Wikipedia — Glued Laminated Timber
A wall-mounted safety bar anchored into blocking for support near the toilet and in the shower/tub. Even where not required, in-wall blocking should be added during any bath remodel.
See also: U.S. DOJ — ADA.gov
NWFA appearance classifications (Clear, Select, #1/#2 Common) based on color variation, knots, and character — a look-and-cost choice, not a strength rating.
See also: NWFA — Technical Standards
A reinforced concrete beam at or below grade that spans between piers or footings to distribute structural loads.
See also: Wikipedia — Foundation (Engineering)
Shaping the ground around a structure so water drains away from the foundation. Poor grading is a leading cause of basement and crawl-space water problems.
See also: Wikipedia — Grading (Earthworks)
A natural igneous stone slab, each piece unique. Durable and heat-tolerant but porous — requires periodic sealing. Long the benchmark premium natural counter.
See also: Wikipedia — Granite
The system tying metal parts and the neutral to earth so faults trip breakers safely. Improper bonding is a shock and fire hazard.
See also: Wikipedia — Ground (Electricity)
The ground rod(s) or rebar/water-pipe connection establishing the earth reference for the electrical system.
See also: Wikipedia — Grounding Electrode
The material that fills and seals joints between tiles. Sanded, unsanded, and epoxy grouts differ in durability and stain resistance — epoxy is the premium choice in wet, high-use areas.
See also: Wikipedia — Grout
The spaced gap between tiles filled with grout. Joint width and grout color significantly change the finished look and maintenance.
See also: Wikipedia — Grout
The code-required barrier on decks above a set height (commonly 30 in.), with height and infill spacing (4 in. sphere rule) set by code.
See also: Wikipedia — Guard Rail
Stripping the kitchen to studs and subfloor to rebuild everything — cabinets, surfaces, systems. The scope most cost models assume; where hidden conditions surface.
See also: Wikipedia — Renovation
The channel at the roof edge collecting runoff. Sizing and slope to downspouts protect the fascia, siding, and foundation from water.
See also: Wikipedia — Rain Gutter
A screen or cover reducing debris in gutters. Effectiveness varies widely by type; none are fully maintenance-free.
See also: Wikipedia — Rain Gutter (Guards)
A bathroom with only a toilet and sink, no bathing fixture. Adds resale value and is the smallest, lowest-cost bathroom to add.
See also: Wikipedia — Bathroom
A showerhead on a flexible hose, often on a slide bar. Valuable for cleaning, bathing children/pets, and seated/accessible bathing.
See also: Wikipedia — Shower
The designation of which way a door swings and which side the hinges are on (left/right, in/out). Critical to order the correct prehung unit.
See also: Wikipedia — Door (Handing)
The combined exterior grip/handle and (often) deadbolt assembly on an entry door, a major curb-appeal hardware element.
See also: Wikipedia — Door Handle
The tangible construction costs — labor, materials, equipment — as opposed to soft costs like design fees, permits, and financing. Hard costs are the bulk of a remodel budget.
See also: Investopedia — Hard Cost
A condition or activity with potential to cause harm — electrical, structural, dust, fall, or material (lead, asbestos). Identifying hazards before demo drives containment and cost.
See also: U.S. OSHA — Hazard Identification
The horizontal top member of a window or door frame, below the structural header.
See also: Wikipedia — Window
A horizontal structural member spanning the top of an opening (door, window, cased opening) that transfers the load above around the opening to the supports on each side.
See also: Wikipedia — Lintel (Header)
The furnace component that transfers combustion heat to household air while keeping flue gases separate. A cracked heat exchanger is a carbon-monoxide hazard requiring replacement.
See also: Wikipedia — Heat Exchanger
An electric system that moves heat instead of burning fuel, providing both heating and cooling. Highly efficient; cold-climate models now perform well in winter.
See also: U.S. DOE — Heat Pump Systems
A hybrid tank that pulls heat from surrounding air — 2–3x more efficient than electric resistance. Needs space and produces cool exhaust air.
See also: U.S. DOE — Heat Pump Water Heaters
Electric mats or hydronic tubing under the tile that warm the floor. A popular bath upgrade installed during the floor build; electric mats need a dedicated circuit and thermostat.
See also: Wikipedia — Underfloor Heating
A screw-in steel pile used instead of poured footings, ideal where digging is hard or fast installation is needed.
See also: Wikipedia — Helical Pile
A screw-in steel pile driven to stable soil to underpin or support a foundation. A common engineered fix for settlement without large excavation.
See also: Wikipedia — Helical/Screw Pile
Two angled-plank layouts: herringbone uses rectangular blocks offset 90°; chevron cuts board ends to meet in a continuous V. Both add significant labor.
See also: Wikipedia — Herringbone Pattern
The pivoting hardware carrying the door's weight; ball-bearing hinges are specified for heavy or high-use doors.
See also: Wikipedia — Hinge
A lightweight interior door with a cardboard-honeycomb core. The economical standard for interior passage doors; poor sound control.
See also: Wikipedia — Door
Alternatives to a polished stone surface: honed is matte/satin; leathered is a soft textured finish. Both hide fingerprints and etching better than polished but can need more sealing.
See also: Wikipedia — Dimension Stone
Cubic feet per minute of air a hood moves. Sized to the cooktop's output and width; too little fails to clear smoke, too much may require make-up air by code.
See also: Wikipedia — Kitchen Hood
A window hinged at the bottom that tilts inward from the top. Common in basements for ventilation and egress in some configurations.
See also: Wikipedia — Window
An exterior faucet; frost-free types extend the valve inside the wall to prevent freeze-burst. A common winter failure point.
See also: Wikipedia — Tap (Hose Bib)
A synthetic WRB sheet (e.g., Tyvek) lapped shingle-style and taped, integrated with window/door flashing to keep bulk water out of the wall.
See also: Wikipedia — House Wrap
The current heating-season efficiency rating for heat pumps (replaced HSPF in 2023). Higher means more heat per unit of electricity.
See also: U.S. DOE — Heat Pump Systems
A unit added to the furnace adding moisture in winter for comfort and to protect woodwork and floors.
See also: Wikipedia — Humidifier
An exhaust fan that switches on automatically when it detects moisture and runs until the air clears — protects the room when occupants forget the switch.
See also: ENERGY STAR — Ventilation Fans
Heating that circulates hot water through baseboard, radiators, or floor tubing. Comfortable and quiet; slower to respond than forced air.
See also: Wikipedia — Hydronics
Water-table pressure pushing against foundation walls and slabs — the driving force behind most basement leaks and wall bowing.
See also: Wikipedia — Hydrostatic Pressure
An engineered floor joist with a tall web and flanges (I-shaped) that spans far with little deflection. Web holes must follow the manufacturer's chart.
See also: Wikipedia — I-Joist
A window with laminated glass and reinforced framing tested to resist windborne debris, required in hurricane zones.
See also: Wikipedia — Impact-Resistant Glazing
A cooktop that heats ferrous cookware directly by electromagnetic induction — fast, efficient, and cool-surface — but requires compatible pans and a substantial dedicated circuit.
See also: Wikipedia — Induction Cooking
Installing a new window into the existing frame without disturbing trim or siding. Faster and cheaper but slightly reduces glass area.
See also: Wikipedia — Window
Doors and drawer fronts set flush inside the face frame rather than overlaying it. A precise, premium look that costs more and is sensitive to wood movement.
See also: Wikipedia — Cabinetry
A code official's review of work at defined stages (rough-in, framing, final) to verify compliance before the next phase can proceed. Failed inspections stop the job until corrected.
See also: Wikipedia — Building Inspection
A small dedicated tap delivering near-boiling water on demand from an under-sink tank. A convenience add that needs a dedicated outlet and sink-deck hole.
See also: Wikipedia — Instant Hot Water Dispenser
Vinyl siding with rigid foam fused to the back, adding a modest R-value and rigidity for a flatter, quieter wall.
See also: Wikipedia — Siding (Insulated)
Two or more glass panes sealed with a spacer and gas fill to reduce heat transfer. The standard energy-efficient window glazing.
See also: Wikipedia — Insulated Glazing
Material that resists heat flow, rated by R-value, installed in walls, ceilings, and floors. Opened walls are the opportunity to upgrade insulation while it is accessible.
See also: U.S. DOE — Insulation
A vanity top and sink molded as a single seamless piece (solid surface or cultured marble). Easy to clean with no rim or seam, common in mid-tier baths.
See also: Wikipedia — Sink
A perforated channel installed inside the footing under the basement slab, feeding a sump — the common retrofit for chronic basement water.
See also: Wikipedia — Interior Perimeter Drain
Decorative hanging fixtures over an island providing task and style lighting. Requires a ceiling junction box positioned to the final island location.
See also: Wikipedia — Pendant Light
A J-shaped trim receiving siding ends at windows, doors, soffits, and corners, concealing cut edges and managing water.
See also: Wikipedia — Siding (J-Channel)
A bathroom shared between two bedrooms with a door from each. Saves space and cost versus two baths but requires careful fixture-zone planning for simultaneous use.
See also: Wikipedia — Bathroom
The vertical side members of a window or door frame that the unit is mounted within.
See also: Wikipedia — Jamb
A standardized test of a wood species' resistance to denting and wear. Used to compare durability — e.g., hickory and oak rate higher than walnut or pine.
See also: Wikipedia — Janka Hardness Test
One of the repetitive horizontal members that support a floor or ceiling, spanning between beams or walls. Joist size, spacing, and direction govern what you can cut or load.
See also: Wikipedia — Joist
A metal bracket that supports a joist or beam end at a flush connection. Correct hanger and the specified nails/screws are load-critical.
See also: Wikipedia — Joist Hanger
A galvanized/stainless bracket connecting joists to the ledger and beam. Exterior-rated hangers and the specified nails are mandatory for deck longevity and safety.
See also: Wikipedia — Joist Hanger
A self-adhered membrane capping joist tops to keep fastener holes from wicking water — a low-cost step that markedly extends frame life.
See also: Wikipedia — Flashing (Joist Tape)
An enclosure where wires connect; all splices must be in an accessible box, never buried in a wall. A common code violation in DIY work.
See also: Wikipedia — Junction Box
A small diverter where a roof eave meets a wall that kicks runoff into the gutter instead of behind the siding. A missing kickout is a classic hidden-rot cause.
See also: Wikipedia — Flashing (Kickout)
A freestanding cabinet/counter unit with access on multiple sides, adding work surface, storage, and often seating. NKBA recommends 42–48 in. of clear aisle around it; islands with utilities add plumbing/electrical cost.
See also: Wikipedia — Kitchen Island
The boxed-in space between the top of wall cabinets and the ceiling. Removing it for taller cabinets or open ceiling is a common but cost-adding update because it may hide ducts or wiring.
See also: Wikipedia — Soffit
A modern alternative to the work triangle that organizes the kitchen by activity — prep, cooking, cleanup, storage, and serving — rather than three points. Preferred for large kitchens and multi-cook households.
See also: NKBA — Kitchen Planning Guidelines
A short wall, typically under a sloped roof or supporting a counter or railing, that is less than full ceiling height.
See also: Wikipedia — Knee Wall
Obsolete early-1900s wiring with no ground. Often must be replaced during remodels and can affect insurance and insulation.
See also: Wikipedia — Knob-and-Tube Wiring
Cabinetry on two perpendicular walls forming an L, opening the remaining space for a table or island. A flexible, common layout that keeps the work triangle compact.
See also: NKBA — Kitchen Planning Guidelines
A steel pipe column (often concrete-filled) supporting a girder in a basement. Adjustable types are temporary only; permanent columns must be fixed and footed.
See also: Wikipedia — Column (Lally)
A printed plastic-laminate surface bonded to a substrate. The lowest-cost counter; modern patterns look far better than the dated reputation but edges and seams reveal it.
See also: Wikipedia — Plastic Laminate (Formica)
A photographic decor layer over a fiberboard core with a wear overlay. Economical and scratch-resistant but damaged by standing water and not refinishable.
See also: Wikipedia — Laminate Flooring
Two glass layers bonded to an interlayer that holds shards together when broken — used for security, sound, and impact-rated windows.
See also: Wikipedia — Laminated Glass
NKBA-required clear counter space immediately beside an appliance or sink for safely setting items down — e.g., 15 in. beside a refrigerator, 12–15 in. beside a cooktop.
See also: NKBA — Kitchen Planning Guidelines
Tile with any side over ~15 in. Fewer grout lines for a clean look, but demands a very flat substrate and works best with a linear/single-slope drain.
See also: Wikipedia — Tile
A tension device tying the deck frame into the house floor framing, code-required to resist the deck pulling away from the building.
See also: Wikipedia — Deck (Building)
A full bath remodel that keeps the toilet, tub/shower, and sink in their existing locations. Far cheaper than relocating fixtures because drain/vent work drops sharply.
See also: Wikipedia — Renovation
A full remodel that keeps the existing footprint and plumbing/electrical locations. Substantially cheaper than relocating fixtures because labor behind the walls drops sharply.
See also: Wikipedia — Renovation
A rotating shelf system inside a corner cabinet that brings contents to the opening. The classic corner storage solution.
See also: Wikipedia — Lazy Susan
The deck board bolted to the house that carries one edge of the deck. The single most safety-critical connection — improper ledger attachment causes most deck collapses.
See also: Wikipedia — Deck (Building)
The Z- or step-flashing that keeps water from getting behind the ledger and rotting the house rim joist. Required and inspected.
See also: Wikipedia — Flashing (Weatherproofing)
A legal claim against your property for unpaid work or materials. A mechanic's lien filed by an unpaid subcontractor can cloud your title even if you already paid the general contractor.
See also: Cornell Law LII — Lien
A signed document in which a contractor or supplier gives up the right to file a lien for a given payment. Collect lien waivers with each payment to protect against double-payment claims.
See also: Investopedia — Lien Waiver
A trim strip on the underside of wall cabinets that conceals under-cabinet lighting and the cabinet bottom from view.
See also: Wikipedia — Molding (Decorative)
The insulated copper tubing connecting the outdoor condenser to the indoor coil. Replaced or flushed when changing refrigerant type.
See also: Wikipedia — Air Conditioning
A long trough drain placed at a wall, allowing a single-direction floor slope and large-format tile. Enables curbless designs; costs more than a center drain.
See also: Wikipedia — Drain (Plumbing)
Tall storage for towels and supplies, built-in or a small closet. High on bath wish lists; fitting one in is often a layout constraint.
See also: Wikipedia — Closet
A resilient floor made from linseed oil and natural fillers (distinct from vinyl). Durable and bio-based; needs periodic sealing and is sensitive to standing water.
See also: Wikipedia — Linoleum
Height difference between adjacent tile edges. Excess lippage is a trip hazard and quality defect controlled by flat substrate and leveling clips.
See also: Wikipedia — Tile
Paint-on or trowel-applied membranes (e.g., RedGard, Kerdi-type systems) that waterproof shower substrates before tile. The modern alternative to traditional pan liners.
See also: Wikipedia — Waterproofing
A pre-agreed dollar amount the contractor owes the owner for each day a project runs past the contracted completion date. Must be a reasonable estimate of actual loss, not a penalty.
See also: Cornell Law LII — Liquidated Damages
A glass panel within a door (e.g., 'half-lite', 'full-lite', or decorative entry lites).
See also: Wikipedia — Door
Transient loads — occupants, furniture, snow — that a structure must carry. Code sets minimums by room use (e.g., higher for decks and assembly).
See also: Wikipedia — Structural Load (Live Load)
An NEC calculation of total demand to verify the service/panel can carry added loads. The basis for whether a service upgrade is required.
See also: Wikipedia — Electrical Load Calculation
Installing equipment larger than the calculated load — a frequent mistake that causes short cycling, poor dehumidification, and higher cost.
See also: Wikipedia — Heating/Cooling Load
The continuous route loads follow from roof to footing. Any remodel that interrupts the path (removing a wall/post) needs an engineered replacement path.
A wall that carries weight from the structure above down to the foundation. Removing or opening one requires an engineered beam and posts — never assume a wall is non-bearing.
See also: Wikipedia — Load-Bearing Wall
A microscopically thin metallic coating on glass that reflects radiant heat while passing light, sharply improving energy performance.
See also: Wikipedia — Low Emissivity
A multilayer vinyl plank with a printed wood-look layer and wear coat. Waterproof, durable, and DIY-friendly — the fastest-growing residential floor.
See also: Wikipedia — Vinyl Flooring
The tile-format version of luxury vinyl, often mimicking stone or ceramic, frequently grouted for a tile look without the cold or cracking.
See also: Wikipedia — Vinyl Flooring
A strong engineered beam of glued wood veneers used for headers and beams where solid lumber can't span. Common when opening up a floor plan.
See also: Wikipedia — Laminated Veneer Lumber
The single breaker that disconnects the entire panel and caps total service amperage.
See also: Wikipedia — Circuit Breaker
The valve stopping all water to the house. Every homeowner should know its location; remodels often add accessible zone shutoffs.
See also: Wikipedia — Valve (Shutoff)
Replacement outdoor air supplied when powerful exhaust (large range hoods, whole-house fans) depressurizes a house. Code-required above set exhaust rates.
See also: Wikipedia — Makeup Air Unit
Replacement outdoor air that a code requires be supplied when a powerful hood (commonly >400 CFM) exhausts more air than the house can passively replace. A real cost on pro-style kitchens.
See also: Wikipedia — Makeup Air Unit
A PEX distribution method with individual lines from a central manifold to each fixture, improving pressure balance and isolation.
See also: Wikipedia — Plumbing Fitting (Manifold)
The industry-standard room-by-room heating/cooling load calculation that correctly sizes equipment. The right basis for any system replacement.
See also: Wikipedia — Heating/Cooling Load
A natural metamorphic stone prized for veining. Soft and acid-sensitive — it etches and stains — making it a high-maintenance, high-design choice.
See also: Wikipedia — Marble
A shallow mirrored cabinet, surface-mounted or recessed into the wall between studs, for small-item storage at the sink.
See also: Wikipedia — Bathroom Cabinet
Minimum Efficiency Reporting Value — a filter's particle-capture rating (1–16). Higher filters more but can choke airflow if the system isn't designed for it.
See also: U.S. EPA — MERV Rating
Aluminum or steel panels (including standing-seam looks) — durable and modern; steel resists dents better, aluminum resists corrosion better.
See also: Wikipedia — Siding (Metal)
The utility meter socket on the service entrance; replaced or relocated as part of a service upgrade.
See also: Wikipedia — Electricity Meter
A microwave that installs in a base cabinet or island and opens like a drawer, freeing the over-range location for a real hood. A premium placement choice.
See also: Wikipedia — Microwave Oven
Two pieces joined at 45° to make the counter look thicker than the slab (a built-up edge). Common on waterfall islands and thin porcelain; adds fabrication cost.
See also: Wikipedia — Miter Joint
Measuring slab or subfloor moisture (calcium-chloride or RH probe) before installing wood or resilient floors. Skipping it is a leading cause of failure.
See also: NWFA — Technical Standards
A rigid steel or engineered frame that resists lateral load without bracing — used to keep a wide opening (e.g., a removed wall or garage front) stable.
See also: Wikipedia — Moment-Resisting Frame
A cement-based paste used to bond masonry or, as thinset, to adhere tile to a substrate. Different mixes are rated for different applications and exposures.
See also: Wikipedia — Mortar (Masonry)
A sloped cement base packed by hand to form a custom tiled shower floor or to set tile on a solid bed. The traditional method beneath custom tile work.
See also: Wikipedia — Mortar (Masonry)
A heavy-duty lock body recessed into a pocket cut in the door edge, more durable and secure than a tubular bored lock. Common on premium and older doors.
See also: Wikipedia — Mortise Lock
Small tiles mesh-mounted in sheets, used on shower floors (more grout lines aid slope and slip resistance) and as accents.
See also: Wikipedia — Mosaic
A structural vertical (or horizontal) member dividing or joining adjacent window units.
See also: Wikipedia — Mullion
A removable or fixed center post between a pair of doors against which active leaves latch.
See also: Wikipedia — Mullion
The narrow bars dividing a window into smaller panes (true divided lite) or simulating that look (grilles between or on the glass).
See also: Wikipedia — Muntin
Fastening solid (or thick engineered) wood through tongue into a wood subfloor with flooring cleats or staples — the traditional wood install.
See also: Wikipedia — Wood Flooring
An integral perimeter fin on new-construction windows fastened to the sheathing and integrated with flashing for a weather-tight install.
See also: Wikipedia — Window
Travertine, slate, marble, or granite floor tile — durable and unique but porous, requiring sealing and species-specific care.
See also: Wikipedia — Dimension Stone
The model electrical safety code adopted (with amendments) by jurisdictions. Permitted electrical work must meet the adopted NEC edition.
See also: Wikipedia — National Electrical Code
A window with a nailing flange for installation before siding goes on, used in new builds and full-frame replacements with siding removed.
See also: Wikipedia — Window
The sturdy anchoring post at rail ends, corners, and stair tops/bottoms that gives the railing its rigidity.
See also: Wikipedia — Newel
The National Fenestration Rating Council label that reports U-factor, SHGC, VT, and air leakage so windows can be compared on a common basis.
See also: U.S. DOE — NFRC Ratings
The detailed tile and waterproofing work to finish a recessed shower shelf — small cuts, a sloped sill, and a continuous membrane to keep the wall cavity dry.
See also: Wikipedia — Tile
The National Kitchen & Bath Association — the industry body whose Kitchen & Bath Planning Guidelines define the clearances, dimensions, and safety standards professional designers work to.
The minimum unobstructed floor area NKBA guidelines specify in front of each fixture so it can be used safely and comfortably.
See also: NKBA — Bath Planning Guidelines
Textured, frosted, or patterned glass that transmits light but blocks view, used in bathrooms and entry sidelights.
See also: Wikipedia — Window
An S-curved decorative counter edge. The most ornate and costliest common profile, associated with traditional and luxury kitchens.
See also: Wikipedia — Ogee
An acrylic tub/shower liner and wall-surround system installed over existing fixtures in about a day. Low disruption and cost but cosmetic only — it doesn't address what's behind the walls.
See also: Wikipedia — Bathtub
One-piece toilets fuse tank and bowl (sleek, easy to clean, costlier); two-piece bolt a separate tank on (economical, the traditional standard).
See also: Wikipedia — Flush Toilet
Wall-mounted shelves used in place of upper cabinets for an airy look and easy reach. Trades enclosed storage and dust protection for display and lower cost.
See also: Wikipedia — Shelf (Storage)
Oriented strand board — an engineered panel of compressed wood strands and resin, commonly used for sheathing and subfloor. Cheaper than plywood but less moisture-tolerant.
See also: Wikipedia — Oriented Strand Board
The Occupational Safety and Health Administration — the federal agency setting and enforcing job-site safety standards. A contractor's safety record is a meaningful screening signal.
See also: U.S. OSHA — Occupational Safety & Health Administration
The U-bend at each fixture holding water that blocks sewer gas from entering the home. Every fixture needs one, properly vented.
See also: Wikipedia — Trap (Plumbing)
A door built of a stile-and-rail frame surrounding raised or flat panels — the traditional look (e.g., two-panel, six-panel).
See also: Wikipedia — Frame and Panel
A dishwasher or refrigerator designed to accept a custom cabinet panel so it disappears into the cabinetry. Requires coordinating the panel with the cabinet order.
See also: Wikipedia — Major Appliance
A thin cement coat troweled over a foundation or block wall for a finished, more weather-resistant surface.
See also: Wikipedia — Parging
Wood flooring set in geometric patterns (herringbone, chevron, basketweave). Labor-intensive to install; a design feature with a premium price.
See also: Wikipedia — Parquetry
Doors that cover only part of the face frame, leaving visible frame between doors. The most economical, traditional configuration on face-frame cabinets.
See also: Wikipedia — Cabinetry
A non-load-bearing interior wall that divides space but carries no structural load above it. Generally simpler and cheaper to move than a bearing wall.
See also: Wikipedia — Partition Wall
A wear scale (Class 1–5) for glazed tile indicating suitable traffic level. Floors need at least Class 3; high-traffic entries Class 4–5.
See also: Wikipedia — Tile (PEI Rating)
A hardwax or natural-oil finish that soaks into the wood for a matte natural look and spot-repairability, at the cost of more upkeep.
See also: Wikipedia — Wood Finishing
An island connected to the surrounding cabinetry or wall on one end, giving similar work surface and seating without requiring clearance on all four sides — common where a full island won't fit.
See also: NKBA — Kitchen Planning Guidelines
Small round mosaic tile, a classic vintage bath floor that conforms well to slopes and offers good underfoot grip.
See also: Wikipedia — Mosaic (Penny Tile)
An open-rafter overhead structure on posts providing partial shade over a deck or patio; may be freestanding or attached.
See also: Wikipedia — Pergola
Official jurisdiction authorization to perform regulated work, triggering required inspections. Unpermitted remodels can force teardown, block sale, and void insurance — always confirm permits are pulled.
See also: Wikipedia — Building Permit
HVAC, gas, electrical, and plumbing work is permitted, inspected trade work. Unpermitted mechanical work is a safety and resale liability.
See also: Wikipedia — Building Inspection
Cross-linked polyethylene supply tubing — flexible, freeze-tolerant, fast to install with fewer joints. The dominant modern repipe material.
A perimeter board around the decking that hides cut ends for a finished look; requires extra blocking to support it.
See also: Wikipedia — Deck (Building)
A large fixed (non-opening) window that maximizes view and light. Most energy-efficient type because there is no operating gap to leak air.
See also: Wikipedia — Window
A foundation of spaced piers carrying beams under the floor, leaving a crawl space. Easier utility access and floor leveling but more prone to movement than slab.
See also: Wikipedia — Pier Foundation
Isolated columns transferring structural loads to deeper, stable soil or rock. Used for decks, additions, and on poor surface soils.
See also: Wikipedia — Pier/Deep Foundation
The most common, economical lumber cut, showing cathedral grain. More seasonal movement than quarter- or rift-sawn.
See also: Wikipedia — Sawing (Plain Sawn)
The main air chamber off the furnace/air handler from which supply ducts branch and into which the return delivers.
See also: Wikipedia — Plenum Chamber
A licensed tradesperson who installs and repairs water supply, drain-waste-vent, and gas piping to code. Relocating fixtures or running new lines is licensed, inspected work.
Moving the sink, dishwasher, or adding an island/bar sink to new locations. One of the largest cost levers in a kitchen — commonly $2,000–$8,000 per fixture moved.
See also: Wikipedia — Plumbing
Moving the toilet, tub, or shower drain to a new location — the largest cost lever in a bath remodel because moving a drain means opening the floor and re-venting.
See also: Wikipedia — Plumbing
An engineered panel of thin wood veneers glued in cross-grain layers for strength and stability. Preferred over OSB for cabinet boxes and where moisture exposure is a concern.
See also: Wikipedia — Plywood
A door that slides into a cavity inside the wall, saving the floor space a swing would consume. Requires a special framed pocket during rough framing.
See also: Wikipedia — Pocket/Sliding Door
A concentrated load delivered at one spot (e.g., a post or beam end) that must be carried continuously down to a footing — a key check when adding beams.
See also: Wikipedia — Structural Load (Point Load)
A ground and densified concrete slab finished as the final floor. Durable and low-maintenance; relies on slab condition and may telegraph cracks.
See also: Wikipedia — Polished Concrete
A durable clear topcoat for wood floors — oil-based (amber, slow-cure) or water-based (clear, fast-cure, low-odor). The wear surface of a site-finished floor.
See also: Wikipedia — Wood Finishing
The sink stopper mechanism operated by a lift rod, or a press-to-seal design. The common bath lavatory drain assembly.
See also: Wikipedia — Sink
A large-format fired-clay slab counter — thin, light, heat- and scratch-resistant. Increasingly used for counters and waterfall edges; edge fabrication is specialized.
See also: Wikipedia — Porcelain (Tile/Slab)
A denser, less porous, harder-fired tile rated for heavy traffic and wet areas. Through-body porcelain hides chips; the durable flooring-tile standard.
See also: Wikipedia — Porcelain Tile
A structural system of vertical posts carrying horizontal beams, concentrating loads at points (and their footings) rather than along walls.
See also: Wikipedia — Post and Beam
A metal connector anchoring a post to its footing while holding the wood up off the concrete to prevent rot.
See also: Wikipedia — Deck (Building)
A bracket positively tying the beam to the post top so the beam can't shift or roll off under load.
See also: Wikipedia — Deck (Building)
A slab with tensioned steel cables that resist cracking on expansive soils. Cables must never be cut — a critical caution before any slab penetration.
A wall-mounted folding faucet over the cooktop for filling pots in place. A convenience feature that requires running a dedicated water line to the range wall.
See also: Wikipedia — Tap (Valve)
Wood flooring sanded and finished at the factory under controlled conditions. Faster install, durable finish, no on-site dust; bevels show at each board edge.
See also: Wikipedia — Wood Flooring
A door already mounted on hinges in a complete frame, ready to set into a rough opening. Faster and more reliable than hanging a slab in an existing jamb.
See also: Wikipedia — Door
A shower valve that holds temperature steady when water is drawn elsewhere, preventing scald/cold shocks. The common code-compliant anti-scald valve type.
Wood infused with preservative to resist rot and insects — the economical structural and decking choice. Ground-contact rated material is required for posts and joists near soil.
See also: Wikipedia — Wood Preservation
The bathroom attached to the primary bedroom, typically the largest and most-renovated bath and the highest-ROI bath project for resale.
See also: Wikipedia — Bathroom
A preparatory coating that seals the surface and helps the finish coat adhere and cover evenly. Skipping primer over new drywall or stains causes finish failures.
See also: Wikipedia — Primer (Paint)
A commercial-look residential range with high-BTU burners and heavy build. A premium appliance whose output usually drives a larger hood, make-up air, and gas/electrical upgrades.
See also: Wikipedia — Kitchen Stove
The person who plans, coordinates, and oversees the project day to day — schedule, budget, subs, and communication with the owner. On smaller jobs the GC and PM may be the same person.
See also: Wikipedia — Construction Management
The compressive strength concrete is mixed to (e.g., 3,000–4,000 psi for residential). Specified per application; higher for structural and exterior work.
See also: Wikipedia — Concrete (Strength)
Parallel-strand and laminated-strand lumber — engineered members for high-load columns and beams, stronger and more uniform than sawn lumber.
See also: Wikipedia — Engineered Wood
A faucet with a spray head that extends on a hose. Pull-down (tall arc) and pull-out (lower, compact) are the dominant modern kitchen faucet types.
See also: Wikipedia — Tap (Valve)
The final list of incomplete or deficient items the contractor must correct before the job is considered done and final payment is released. Walk the project and build this list together.
See also: Wikipedia — Punch List
Hydraulically driven steel pier sections that transfer foundation load to deep load-bearing strata to halt or lift settlement.
See also: Wikipedia — Deep Foundation (Pier)
All-polymer or polymer-capped boards with the best stain/fade resistance and lightest weight; premium-priced and can be slick when wet.
See also: Wikipedia — Composite/PVC Lumber
Lumber cut radially for a straight, tight grain and ray fleck, more dimensionally stable and premium-priced than plain-sawn.
See also: Wikipedia — Quarter Sawing
An engineered surface of ~90% ground quartz bound in resin. Non-porous, consistent, low-maintenance — the most popular mid-to-high counter material; doesn't need sealing.
See also: Wikipedia — Engineered Stone
A natural metamorphic stone (not the same as engineered quartz) that resembles marble but is harder and more durable. Premium-priced; still porous and needs sealing.
See also: Wikipedia — Quartzite
Warming a space via tubing or electric mats under the floor. Even, comfortable heat; best designed in during a remodel when floors are open.
See also: U.S. DOE — Radiant Heating
A sub-slab depressurization system venting soil gas (radon) outside. Often integrated with slab/crawl work; radon is a recognized health hazard.
See also: U.S. EPA — Radon
A sloped structural member running ridge to wall that supports the roof deck in stick-framed (non-truss) roofs.
See also: Wikipedia — Rafter
The horizontal members of a sash; the check/meeting rail is where two sashes overlap in a double-hung window.
See also: Wikipedia — Sash Window
Brackets/bolts tying rail posts into the deck frame to meet the code load (200 lb at the top rail). Surface-screwed posts fail this.
See also: Wikipedia — Guard Rail
A large overhead head delivering a soft vertical rainfall spray. Often ceiling-mounted, which adds in-ceiling plumbing; flow rate is capped by WaterSense/code.
See also: U.S. EPA WaterSense — Showerheads
A drained, vented air gap between siding and the WRB that lets the wall dry and dramatically extends cladding life. Best practice for premium installs.
See also: Wikipedia — Rainscreen
A door whose center panel is contoured and raised toward the frame face. A traditional, more ornate (and typically costlier) profile than Shaker or slab.
See also: Wikipedia — Frame and Panel
The ventilation appliance over the cooking surface that captures smoke, grease, and moisture. Sizing (coverage and CFM) should match the cooktop, not be an afterthought.
See also: Wikipedia — Kitchen Hood
Removing old cladding to inspect/repair the WRB and sheathing (re-side) versus installing new siding over the old (side-over) — the latter hides problems and is often discouraged.
See also: Wikipedia — Siding
Steel reinforcing bar embedded in concrete to carry tensile loads concrete cannot. Size, spacing, and cover are engineered, not arbitrary.
See also: Wikipedia — Rebar
The point devices plug into. Tamper-resistant receptacles are now code in dwellings; spacing rules govern how many a remodel must add.
See also: Wikipedia — Receptacle/Outlet
Ceiling-flush fixtures providing general illumination on a planned grid. A lighting layout (not just a fixture) decision that affects ceiling and electrical work.
See also: Wikipedia — Recessed Light
Ceiling-flush lighting on a planned grid. IC-rated/airtight housings are required in insulated ceilings to prevent heat and air-leak issues.
See also: Wikipedia — Recessed Light
A pump delivering near-instant hot water at fixtures by keeping the line warm. Saves water; adds energy unless on a timer/demand control.
See also: Wikipedia — Water Heating
Flooring milled from salvaged old timber for character and sustainability. Requires extra screening for nails, stability, and consistent thickness.
See also: Wikipedia — Reclaimed Lumber
A transition piece that ramps from a higher floor to a lower adjacent one (e.g., wood to vinyl).
See also: Wikipedia — Wood Flooring
The working fluid that carries heat in an AC/heat pump. R-410A is being phased down to lower-GWP refrigerants (e.g., R-454B) under EPA rules.
The supply outlet (register, with damper) and return inlet (grille) terminating the duct in each room.
See also: Wikipedia — Register (Air & Heating)
A percentage of each payment (often 5–10%) the owner withholds until the project is satisfactorily completed, providing leverage to ensure the job is finished and punch-listed.
See also: Investopedia — Retainage
Ducting that draws room air back to the system. Insufficient return is a common cause of weak airflow and short-cycling.
See also: Wikipedia — Duct (Flow)
A formal written question from the builder to the designer or owner to clarify drawings or specs before proceeding. RFIs create a paper trail that prevents costly assumptions.
See also: Wikipedia — Request for Information
A ridge beam structurally carries rafter loads (required for vaulted/cathedral ceilings); a ridge board is only a non-structural nailing point. Confusing them is a serious error.
See also: Wikipedia — Roof Structure
Lumber cut at an angle for the straightest, most uniform grain and the greatest stability; the costliest and most wasteful cut.
See also: Wikipedia — Rift Sawing
The outer joist closing the deck frame perimeter, to which fascia and rail posts often attach.
See also: Wikipedia — Deck (Building)
The joist running around the perimeter of a floor frame, closing the joist ends and transferring loads. A key air-sealing and structural element.
See also: Wikipedia — Rim Joist
The code-governed step height (rise) and depth (run), held consistent so stairs are safe. Uneven rises are a leading code-violation and trip hazard.
See also: Wikipedia — Stairs (Rise & Run)
A separate small tap supplying filtered or reverse-osmosis drinking water from an under-sink system. Adds a deck hole and under-cabinet equipment.
See also: Wikipedia — Reverse Osmosis
Non-metallic sheathed cable, the common residential branch wiring. Gauge must match the breaker (14 AWG/15A, 12 AWG/20A).
See also: Wikipedia — NM Cable
A small reflective tube channeling daylight from a roof dome into a room below — economical daylighting where a full skylight won't fit.
See also: Wikipedia — Light Tube
The framed gap left in a wall to receive a window, door, or unit, sized slightly larger than the product to allow shimming and squaring during installation.
See also: Wikipedia — Framing (Construction)
The stage where plumbing, electrical, and HVAC lines are run inside open walls and floors before insulation and drywall. Rough-in must pass inspection before walls are closed.
Ready-to-assemble cabinets shipped flat and built on site or by the installer. Lowers cost and shipping but shifts labor and quality risk to assembly.
See also: Wikipedia — Flatpack (Ready-to-Assemble)
A resilient, slip- and impact-resistant floor used in gyms, play, and utility areas; available in tiles or rolls.
See also: Wikipedia — Flooring
Sanding a solid or thick-engineered wood floor to bare wood and re-staining/finishing. Restores worn floors and allows a full color change.
See also: Wikipedia — Wood Flooring
The framed, often movable panel that holds the glass within a window. Double-hung windows have an upper and lower sash.
See also: Wikipedia — Sash
A temporary elevated work platform system. Proper scaffolding is a regulated safety item on multi-story exterior and high-ceiling interior work.
See also: U.S. OSHA — Scaffolding
The detailed written description of exactly what the contractor will and will not do on the project. The single most important document for preventing misunderstandings and 'I thought that was included' arguments.
See also: Wikipedia — Scope (Project Management)
Lightly abrading a worn finish and applying a fresh topcoat — a low-cost refresh that extends a wood floor's life without a full sanding.
See also: Wikipedia — Wood Flooring
A thin flexible trim used to close the gap between cabinetry and an out-of-plumb wall or ceiling for a clean fit. The mark of careful installation.
See also: Wikipedia — Molding (Decorative)
A material applied to a surface or joint to block the passage of water, air, or stains. Stone counters, grout, and exterior penetrations are commonly sealed.
See also: Wikipedia — Sealant
Gutter formed on site in continuous runs with no mid-run seams to leak — the residential standard over sectional gutter.
See also: Wikipedia — Rain Gutter
A drawing showing the structure as if sliced vertically, revealing how floors, walls, and roof assemble and stack — used to communicate construction detail.
See also: Wikipedia — Cross Section (Architecture)
A short capped pipe at a gas appliance that catches debris/condensate before it reaches the valve. Code-required and a common inspection item.
See also: Wikipedia — Gas Piping
The current seasonal cooling-efficiency rating for AC and heat pumps (replaced SEER in 2023). Higher SEER2 means lower cooling energy use.
See also: U.S. DOE — Central Air Conditioning
A pourable cementitious mix that flows to a flat plane, correcting uneven subfloors before tile or resilient flooring.
See also: Wikipedia — Self-Leveling Concrete
Stock door styles and finishes with added modification options (sizes, depths, accessories). The mid tier most renovations choose, balancing cost, lead time, and fit.
See also: Wikipedia — Cabinetry
Where utility power enters the home — drop/lateral, meter, and main disconnect. Upgrading it is often the gating cost when adding major loads.
See also: Wikipedia — Electrical Wiring
The breaker box distributing power to circuits. Capacity (e.g., 100 vs. 200 amp) and free breaker spaces decide what a remodel can add.
See also: Wikipedia — Distribution Board (Panel)
The minimum required distance between a structure and the property line, street, or other features. Setbacks constrain where additions, decks, and detached structures can be placed.
See also: Wikipedia — Setback (Land Use)
A pump moving waste up from below-sewer-level fixtures (basement bath) to the building drain. Required when adding a basement bathroom.
See also: Wikipedia — Sanitary Sewer
Individual tapered pieces (sawn shingles or split shakes) for a textured accent or whole-wall look, in cedar or composite.
See also: Wikipedia — Wood Shingle/Shake
A five-piece door with a recessed flat center panel and clean square frame. The most popular kitchen door style for its versatility across traditional and modern kitchens.
See also: Wikipedia — Shaker Furniture
A braced/sheathed wall that resists lateral wind and seismic forces. Removing or opening one without an engineered replacement compromises the structure.
See also: Wikipedia — Shear Wall
The structural panel layer (plywood or OSB) attached to studs or rafters that braces the frame and provides a base for siding, roofing, or finishes.
See also: Wikipedia — Sheathing
The gloss level of a wood-floor finish (matte, satin, semi-gloss, gloss). Lower sheens hide scratches and dust; higher sheens show wear and traffic.
See also: Wikipedia — Wood Finishing
Vinyl flooring in continuous wide rolls with few or no seams — the most water-resistant and economical resilient option, common in baths and laundries.
See also: Wikipedia — Resilient (Sheet) Flooring
The fraction of solar heat a window admits (0–1); lower reduces cooling load. Climate determines whether high or low SHGC is desirable.
Thin tapered material used to plumb, level, and square a window or door in its opening before fastening. Improper shimming causes operation and seal failure.
See also: Wikipedia — Shim
Temporary supports that carry structural load while a permanent member is replaced or repaired (e.g., during beam or wall work).
See also: Wikipedia — Shoring
Equipment turning on and off too frequently — usually from oversizing or airflow problems — causing wear, poor comfort, and high bills.
See also: Wikipedia — Air Conditioning
A built-in or fold-down seat for comfort and accessibility. Built-in benches must be sloped and fully waterproofed like the rest of the shower.
See also: U.S. DOJ — ADA.gov
The raised threshold that contains shower water. Eliminating it (curbless) requires recessing the floor structure for the slope-to-drain.
See also: Wikipedia — Shower
The overall glass-and-door system that contains the shower, from prefab kits to custom glass. Custom glass is templated after tile and is a notable line item.
See also: Wikipedia — Shower
A recessed waterproofed shelf set between wall studs for toiletries. Must be flashed and waterproofed into the wall system or it becomes a leak path.
See also: Wikipedia — Shower
The waterproof sloped floor of the shower — a prefabricated acrylic/solid-surface base or a custom tiled mortar-bed pan. The single most leak-critical component.
See also: Wikipedia — Shower
A waterproof membrane under a tiled mortar bed that catches water passing through grout and routes it to the weep holes of the drain. Hidden, essential, and code-inspected.
A coordinated set of outlets — showerhead, hand shower, body sprays, sometimes a tub filler — run from one valve set. More outlets mean a larger valve and more rough-in.
See also: Wikipedia — Shower
The in-wall mixing valve controlling shower water temperature and flow. Modern code requires anti-scald protection; the valve body is set during rough-in.
See also: Wikipedia — Tap (Valve)
The local valve at each fixture allowing isolated repair without shutting the whole house. Adding/replacing them is standard during remodels.
See also: Wikipedia — Valve (Stop)
A fixed narrow glazed panel beside an entry door that adds light and a wider, grander look.
See also: Wikipedia — Sidelight
The horizontal bottom member of a window frame, sloped to shed water away from the building.
See also: Wikipedia — Window Sill
A waterproof tray at the base of a window rough opening that catches and drains any water that gets past the window to the exterior.
See also: Wikipedia — Flashing (Weatherproofing)
The pressure-treated board bolted to the top of the foundation that the framing sits on, anchored against uplift and sliding. Rot or termite damage here is structural.
See also: Wikipedia — Sill Plate
A one-piece faucet using a single deck hole. Clean and modern; pairs with vessel and minimalist sinks.
See also: Wikipedia — Tap (Valve)
A window with two sashes where only the bottom sash slides up to open; the top is fixed. The economical traditional double-hung alternative.
See also: Wikipedia — Sash Window
All cabinets, counters, and appliances along one wall. Space-efficient for small homes and open plans; the work triangle collapses to a line, so layout order matters.
See also: NKBA — Kitchen Planning Guidelines
The opening fabricated in the counter for the sink. Undermount cutouts are polished; the sink/cutout style must be decided before templating.
See also: Wikipedia — Countertop
An ultra-compact surface made by fusing mineral particles under heat and pressure. Extremely hard, heat- and UV-stable; a newer premium option also used for waterfall and outdoor.
See also: Wikipedia — Sintering
Fastening a new joist/rafter alongside a damaged or undersized one to restore or add capacity. A common, code-acceptable structural repair when done properly.
See also: Wikipedia — Joist (Sistering)
Raw wood installed then sanded and finished in place, yielding a smooth seamless surface and any custom stain — at the cost of dust, fumes, and cure time.
See also: Wikipedia — Wood Flooring
A floor toilet with a smooth concealed trapway (no bowl contours), far easier to clean. A common mid-tier upgrade.
See also: Wikipedia — Flush Toilet
A roof-mounted window for daylight and sometimes ventilation. Flashing and curb detailing are critical to prevent leaks.
See also: Wikipedia — Skylight
A poured concrete floor or foundation surface. Moving plumbing in a slab-on-grade home means saw-cutting and patching concrete — a significant cost driver.
See also: Wikipedia — Concrete Slab
A door sold as just the panel, with no frame or hinges — used to replace a door in a sound existing jamb.
See also: Wikipedia — Door
A flat, frameless single-panel door with no detailing. Defines the minimalist/European look; finish quality and edge banding are what separate good slab doors from cheap ones.
See also: Wikipedia — Cabinetry
Pumping grout or polyurethane beneath a sunken slab to lift and re-level it — common for driveways, walks, and garage floors.
See also: Wikipedia — Mudjacking
Choosing the actual physical slab(s) at the fabricator's yard. Because natural stone varies piece to piece, hand-selecting affects the final look and is standard for premium stone.
See also: Wikipedia — Dimension Stone
A foundation where the concrete floor slab is poured directly on prepared ground with thickened edges. Common in warm climates; relocating plumbing means saw-cutting concrete.
See also: Wikipedia — Slab-on-Grade Foundation
A range designed to sit flush between cabinets with controls on the front and no back panel, giving a built-in look and an unbroken backsplash. Costlier than freestanding.
See also: Wikipedia — Kitchen Stove
A window where one or both sashes slide horizontally. Simple, economical, and good for wide openings with limited projection space.
See also: Wikipedia — Window
A large glazed door where one panel slides past a fixed one. Space-efficient (no swing) with a big glass area; rollers and tracks need maintenance.
See also: Wikipedia — Sliding Door
Drain pipe must pitch about 1/4 in. per foot — too little won't clear solids, too much drains liquid off solids. A frequent DIY error.
See also: Wikipedia — Drain Slope
The required pitch of a shower floor (about 1/4 in. per foot) toward the drain so water doesn't pond. The functional core of shower-floor construction.
See also: Wikipedia — Shower
NEC requires at least two dedicated 20-amp circuits serving kitchen counter receptacles for plug-in appliances. A core reason kitchen electrical costs exceed other rooms.
An electronic deadbolt with keypad, app, or auto-unlock control. Adds convenience and access logging; needs battery maintenance.
See also: Wikipedia — Smart Lock
A Wi-Fi/Z-Wave switch for app/voice/scheduled control. Many need a neutral wire in the box — a constraint in older homes.
A learning/Wi-Fi thermostat with scheduling, remote control, and usage reporting; many qualify for utility rebates.
See also: ENERGY STAR — Smart Thermostats
Code rules for interconnected smoke and carbon-monoxide alarms that a remodel of a sleeping area or fuel appliance typically triggers.
See also: Wikipedia — Smoke/CO Detector
A deeper tub designed for full-body immersion. May require a larger water heater and confirmation the floor can carry the filled weight.
See also: Wikipedia — Bathtub
A soft natural stone with a warm matte feel, non-porous and heat-resistant, that darkens and patinas over time. A distinctive traditional choice.
See also: Wikipedia — Soapstone
The underside of the roof overhang (eave). Vented soffit is a key part of attic ventilation and is finished in vinyl, aluminum, or wood.
See also: Wikipedia — Soffit
Perforated soffit or inserts that admit intake air to the attic, working with ridge/roof vents to control attic heat and moisture.
See also: Wikipedia — Soffit
Damped hardware that decelerates doors and drawers so they close silently without slamming. Now an expected feature in mid and high tiers.
See also: Wikipedia — Hinge
An engineer's investigation of soil conditions guiding foundation design. Required for additions on questionable soils or significant structural changes.
See also: Wikipedia — Geotechnical Investigation
The main vertical drain carrying waste from toilets and fixtures down to the building drain.
See also: Wikipedia — Soil Stack
Flooring milled from a single solid piece of wood, 3/4 in. typical. Can be sanded and refinished many times but moves with humidity and is not for below-grade.
See also: Wikipedia — Wood Flooring
A man-made acrylic/polyester counter (e.g., Corian) that is seamless, repairable by sanding, and integrates sinks — mid-tier, less heat-tolerant than stone.
See also: Wikipedia — Solid Surface
An interior door with a dense composite core for better sound dampening and a quality feel. A common worthwhile upgrade for bedrooms and offices.
See also: Wikipedia — Door
A door built from solid lumber or stave-core, the premium traditional construction; can move seasonally with humidity.
See also: Wikipedia — Door
The bar separating the panes of an insulated glass unit. 'Warm-edge' spacers reduce edge heat loss and condensation.
See also: Wikipedia — Insulated Glazing
Concrete or masonry surface flaking off, often from freeze-thaw or corroding embedded rebar. Progressive and a structural concern if reinforcement is exposed.
See also: Wikipedia — Spalling
The clear distance a member bridges between supports. Span tables (or an engineer) set the size and spacing required for a given load.
See also: Wikipedia — Span (Engineering)
Stone-Plastic Composite — a rigid, dense LVP core that is very dent- and temperature-stable and hides minor subfloor imperfections.
See also: Wikipedia — Vinyl Flooring
Engineered inserts — trash/recycling pull-outs, spice racks, tray dividers, roll-out shelves — that turn standard cabinets into organized, high-function storage. Per-unit upgrades.
See also: Wikipedia — Cabinetry
A block or pipe directing downspout discharge away from the foundation — the cheapest defense against basement and crawl-space water.
See also: Wikipedia — Downspout (Discharge)
The shaped, often non-slip edge piece at the front of a stair tread, matched to the flooring for safety and a finished look.
See also: Wikipedia — Stair Nosing/Tread
The notched or solid sloped member carrying deck stair treads. Stringer span, spacing, and attachment are common failure points.
See also: Wikipedia — Stair Stringer
Structural drawings signed and sealed by a licensed engineer, certifying the design. Required by permit for beam sizing, wall removal, and additions.
See also: Wikipedia — Professional Engineer (Seal)
The conventional sizing kitchens are built on: base 34.5 in. high / 24 in. deep, finished counter 36 in., wall cabinets 12–15 in. deep with 18 in. between counter and uppers.
See also: NKBA — Kitchen Planning Guidelines
The first course's anchoring strip at the bottom of the wall that locks in the first siding row at the correct angle.
See also: Wikipedia — Siding
Resistance to airflow in the duct system. High static (undersized ducts, dirty filter) overworks the blower and cuts capacity.
See also: Wikipedia — Duct (Flow)
A sealed, fully waterproofed enclosure with a steam generator. A luxury feature requiring a vapor-tight ceiling, sloped bench, and dedicated equipment and circuit.
See also: Wikipedia — Steam Shower
An insulated steel-skinned exterior door — strong, secure, economical, but can dent and may show thermal bowing in sun.
See also: Wikipedia — Door
Cold-formed metal framing used for non-combustible or tall walls. Light and straight but requires different fasteners and load detailing than wood.
See also: Wikipedia — Steel Framing
The vertical members of a sash or door panel frame.
See also: Wikipedia — Stile
Pre-manufactured cabinets in fixed sizes and limited finishes, available off the shelf. The lowest-cost, fastest-lead-time tier; sizing gaps are filled with fillers.
See also: Wikipedia — Cabinetry
A single large piece of natural or engineered stone, typically ~5x10 ft, from which counters are cut. Slab size and count drive both material cost and seam placement.
See also: Wikipedia — Countertop
Natural or manufactured stone facing applied to a wall. Manufactured (adhered) veneer is lighter/cheaper; both demand a proper drainage plane behind.
The interior horizontal shelf at the bottom of a window, what people commonly call the inside sill.
See also: Wikipedia — Window
An official order halting construction, usually for working without a permit or a code/safety violation. Work cannot resume until the issue is resolved and the order is lifted.
See also: Wikipedia — Building Inspection
A secondary exterior door (often glass/screen interchangeable) mounted outside the entry door for added weather protection and ventilation.
See also: Wikipedia — Storm Door
The metal plate on the jamb the latch and bolt engage. Long screws into the framing here are the single cheapest security upgrade.
See also: Wikipedia — Strike Plate
A licensed engineer who designs and certifies load-bearing changes. The required professional for removing bearing walls, adding floors, or repairing foundations.
See also: Wikipedia — Structural Engineering
An engineered, code-listed screw rated for structural connections (ledgers, posts), replacing lag bolts in many deck details.
See also: Wikipedia — Screw (Fastener)
A cement plaster applied in coats over lath, traditional (three-coat) or one-coat synthetic. Durable but crack- and moisture-detail sensitive.
See also: Wikipedia — Stucco
A vertical framing member in a wall (typically 2x4 or 2x6) spaced 16 or 24 inches on center, forming the structure to which sheathing and drywall attach.
See also: Wikipedia — Wall Stud
A specialized trade (electrician, plumber, tile setter) hired by the general contractor to perform a portion of the work. You contract with the GC, not the subs.
See also: Wikipedia — Subcontractor
The structural panel layer over the joists. Its flatness, soundness, and moisture content govern which finished floors can go down and how.
See also: Wikipedia — Subfloor
The structural sheet material (plywood or OSB) fastened over floor joists that everything else — underlayment and finish flooring — is built on. Squeaks and unevenness usually start here.
See also: Wikipedia — Subfloor
Noise from movement between subfloor, joists, or fasteners. Best corrected from below or by screwing the subfloor before new flooring goes down.
See also: Wikipedia — Subfloor
Product data, samples, or shop drawings the contractor submits for approval before ordering or installing, confirming what will actually be used matches the specification.
See also: Wikipedia — Submittals (Construction)
A secondary panel fed from the main, adding circuits for a remodel, addition, garage, or shop. Requires correct 4-wire feeder and isolated neutrals.
Rectangular (classically 3x6 in.) wall tile, a durable and economical bath staple that suits many styles depending on layout and grout color.
See also: Wikipedia — Tile
A pump in a basin that ejects collected groundwater away from the foundation. A battery or water backup is recommended for outage protection.
See also: Wikipedia — Sump Pump
The on-site supervisor who runs the field operation — directing crews, sequencing trades, and enforcing safety and quality at the job site.
See also: Wikipedia — Construction Superintendent
The temperature-and-pressure safety valve on a water heater that prevents tank rupture. Must discharge per code; never plugged.
See also: Wikipedia — Relief Valve (T&P)
The thin pinned wood strips around a room perimeter that grip and stretch stretch-in carpet over the pad.
See also: Wikipedia — Carpet
The process of measuring quantities of materials and labor from the drawings to build an estimate. Accurate takeoffs are the foundation of an accurate bid.
See also: Wikipedia — Cost Estimate
A full-height cabinet (typically 84–96 in.) for pantry storage, ovens, or utilities. A high-value storage unit but a large single line item.
See also: Wikipedia — Cabinetry
An outlet with internal shutters preventing object insertion, code-required in dwelling living spaces.
A storage water heater keeping a tank hot. Lowest upfront cost; standby losses and limited capacity are the trade-offs.
See also: U.S. DOE — Water Heating
An on-demand heater with endless hot water and no standby loss. Higher install cost; gas units often need larger gas/vent lines.
See also: U.S. DOE — Tankless Water Heaters
Subfloor seams, fasteners, or debris showing through a thin resilient floor. Prevented by proper underlayment and substrate prep.
See also: Wikipedia — Flooring
Heat-treated safety glass that is much stronger and breaks into small blunt pieces. Code-required near doors, floors, tubs, and large low panes.
See also: Wikipedia — Tempered Glass
Creating an exact pattern of the installed cabinets (often by laser) before fabrication so the counter fits the real, not-quite-square room. Done after cabinets are set.
See also: Wikipedia — Countertop
A poured or precast composite of stone/glass chips in a binder, ground and polished. Extremely durable and seamless; a premium custom floor.
See also: Wikipedia — Terrazzo
An insulating barrier within a metal frame that interrupts heat conduction, substantially improving an aluminum window's efficiency.
See also: Wikipedia — Thermal Break
Composite/PVC boards expand and contract with temperature more than wood; gapping and fastening must follow the maker's spec or boards buckle.
See also: Wikipedia — Thermal Expansion
The control that calls for heating/cooling. Programmable and smart models cut energy by matching conditioning to occupancy.
See also: U.S. DOE — Thermostats
A premium shower valve that maintains a precise set temperature and allows independent volume control, supporting multiple shower outlets at once.
See also: Wikipedia — Thermostatic Mixing Valve
The cement-based adhesive mortar that bonds tile to the substrate. Modified vs. unmodified selection depends on tile type and membrane used.
See also: Wikipedia — Tile (Thinset)
A bathroom with toilet, sink, and a shower but no bathtub. Common in basements and secondary baths; counts differently than a full bath in listings.
See also: Wikipedia — Bathroom
Switches controlling one fixture from two or more locations (stairs, long rooms). Adds wiring complexity in a remodel.
See also: Wikipedia — Multiway Switching
The bottom member of an exterior door opening, often adjustable, that works with the door bottom and sweep to seal out water and air.
See also: Wikipedia — Threshold (Door)
The transition member at a doorway between two flooring types or rooms.
See also: Wikipedia — Threshold
Metal or PVC profiles (e.g., Schluter) that finish exposed tile edges in place of bullnose tile, giving a clean modern transition and protecting edges.
See also: Wikipedia — Tile
The recessed notch at the base of a cabinet that lets you stand close to the counter. Standard ~3.5 in. high and deep; can house toe-kick drawers or lighting.
See also: Wikipedia — Cabinetry
A shallow drawer built into the toe-kick space to reclaim otherwise dead storage for flat items like trays and linens.
See also: Wikipedia — Drawer (Furniture)
The bathroom's sanitary fixture; 'water closet' (WC) also refers to a small enclosed toilet compartment within a larger bath for privacy.
See also: Wikipedia — Flush Toilet
The pipe fitting that secures the toilet to the floor and connects it to the drain. Damaged or wrong-height flanges are a common hidden condition found during a remodel.
See also: Wikipedia — Closet Flange
The distance from the finished wall to the toilet drain centerline — almost always 12 in., sometimes 10 or 14. Determines which toilets will fit without moving the drain.
See also: Wikipedia — Flush Toilet
AC/heat-pump cooling capacity (1 ton = 12,000 BTU/hr). Sized by a load calculation, not square footage rules of thumb — oversizing hurts comfort and humidity control.
See also: Wikipedia — Ton of Refrigeration
A motion- or touch-activated faucet that runs hands-free. Improves hygiene and reduces mess; requires power (battery or adapter) under the sink.
See also: Wikipedia — Tap (Valve)
A heated rack (electric or hydronic) that warms and dries towels. Hardwired electric models need a dedicated GFCI-protected circuit placed during rough-in.
See also: Wikipedia — Heated Towel Rail
A molding bridging two floors or a doorway (T-mold, reducer, threshold) that covers the gap and manages height changes.
See also: Wikipedia — Wood Flooring
A window above a door or window, fixed or operable, adding daylight and architectural detail.
See also: Wikipedia — Transom
The floor/roof area whose load a given beam or column carries. It determines member size and why removing a wall concentrates load.
See also: Wikipedia — Structural Load
The boards around windows, doors, and corners (wood, PVC, composite). PVC/composite trim resists the rot that plagues painted wood trim.
See also: Wikipedia — Architrave
A three-pane insulated unit with two gas-filled cavities for superior insulation and sound control, used in cold climates and high-performance builds.
See also: Wikipedia — Insulated Glazing
Dense, durable hardwood decking (ipe, cumaru) that lasts decades but is heavy, hard to fasten, costly, and needs sourcing diligence.
See also: Wikipedia — Ipe (Tropical Hardwood)
A pre-engineered triangulated frame (roof or floor) that spans long distances efficiently. Truss webs cannot be cut or altered without an engineer.
See also: Wikipedia — Truss
The faucet that fills the tub — wall-mounted, deck-mounted, or floor-mounted. Floor-mounted fillers for freestanding tubs add significant rough-in plumbing.
See also: Wikipedia — Tap (Valve)
The waterproof wall finish around a tub — tile over backer, or solid acrylic/solid-surface panels. Panel surrounds install fast; tile is custom and costlier.
See also: Wikipedia — Bathtub
Removing a tub to install a larger walk-in shower. One of the most-requested bath remodels, driven by aging-in-place and the decline of tub use in secondary baths.
See also: Wikipedia — Shower
Removing deteriorated mortar from masonry joints and refilling them. Essential maintenance that preserves a brick or block wall's structural integrity.
See also: Wikipedia — Repointing
Equipment that runs at partial capacity most of the time for efficiency and comfort, ramping up only on extreme days.
See also: U.S. DOE — Furnaces and Boilers
The rate of non-solar heat flow through a window; lower means better insulation. The primary winter-performance metric on the NFRC label.
Cabinetry on three connected walls, maximizing counter and storage and enclosing the cook. Needs adequate width (about 8 ft minimum between legs) to avoid feeling cramped.
See also: NKBA — Kitchen Planning Guidelines
The standardized water-heater efficiency metric for comparing models; higher UEF means less energy per gallon delivered.
See also: U.S. DOE — Water Heating
A layer (e.g., Ditra-type) between subfloor and tile that absorbs substrate movement so tile and grout don't crack — standard over wood subfloors.
See also: Wikipedia — Tile
A layer (e.g., Ditra-type) between substrate and tile that absorbs movement so the subfloor can shift without cracking tile or grout. Standard under tile over wood subfloors.
See also: Wikipedia — Tile
Task lighting mounted beneath wall cabinets to illuminate the counter without shadowing. A high-value, expected upgrade in mid and high tiers.
See also: Wikipedia — Task Lighting
Mounting styles: under-cabinet tucks beneath a wall cabinet; chimney/wall-mount is exposed where no cabinet is above; island hoods drop from the ceiling. Style drives ducting path.
See also: Wikipedia — Kitchen Hood
A membrane or panel system below the joists that channels water away, creating dry usable space under an elevated deck.
See also: Wikipedia — Deck (Building)
A thin layer between subfloor and finish floor for smoothing, sound, moisture, or cushioning. The required type depends on the finished floor.
See also: Wikipedia — Underlayment
A sink mounted below the counter so the counter edge forms the rim, allowing crumbs to be wiped straight in. Standard with stone/solid counters; not used with laminate.
See also: Wikipedia — Sink
A tub mounted beneath a finished deck so the deck material laps the rim, similar to an undermount sink. A clean, premium deck-tub look.
See also: Wikipedia — Bathtub
Strengthening or extending a foundation deeper to stabilize a settling structure or support added load. A major engineered structural repair.
See also: Wikipedia — Underpinning
Designing the bathroom to be usable by people of all ages and abilities without specialized adaptation — wider doors, curbless showers, comfort-height fixtures, reinforced walls.
See also: Wikipedia — Universal Design
Reviewing the design to find lower-cost ways to achieve the same function and quality — substituting materials or methods to bring a project back within budget without gutting its goals.
See also: Wikipedia — Value Engineering
The bathroom cabinet that houses the sink and provides storage and counter space. The bath equivalent of the kitchen's base-cabinet run and a primary style driver.
See also: Wikipedia — Bathroom Cabinet
The bath counter surface. Smaller than a kitchen run, so premium stone is more attainable; moisture and cosmetic-product resistance matter more than heat.
See also: Wikipedia — Countertop
Task lighting at the mirror. Best placed at both sides at face height to eliminate shadows; a single overhead fixture alone is the most common lighting mistake.
See also: Wikipedia — Light Fixture
Positioning light at the mirror to eliminate face shadows — ideally sconces at both sides at ~66 in., not solely an overhead fixture. A design-and-electrical rough-in decision.
See also: NKBA — Bath Planning Guidelines
The countertop on the vanity, often with an integrated or undermount sink. Common materials are quartz, cultured marble, and solid surface.
See also: Wikipedia — Countertop
A material that limits moisture diffusion through an assembly to control condensation. Correct placement is climate-dependent — wrong-side vapor barriers trap moisture and cause rot.
See also: Wikipedia — Vapor Barrier
A moisture barrier between a slab or crawl space and wood/laminate flooring that protects it from below-grade humidity.
See also: Wikipedia — Vapor Barrier
An ECM blower that ramps output to match demand for steadier temperatures, better humidity control, and lower electricity use than single-speed.
See also: U.S. DOE — Furnaces and Boilers
Official permission to deviate from a zoning requirement (e.g., to build closer to a property line than the setback allows). Requires application and usually a hearing.
See also: Cornell Law LII — Variance
A thin layer of a finish material bonded to a cheaper substrate — wood veneer on cabinet panels, stone or brick veneer on walls — delivering the look without the solid-material cost.
See also: Wikipedia — Wood Veneer
The piping admitting air so drains flow without siphoning traps, terminating through the roof. Adding fixtures often means new venting.
See also: Wikipedia — Vent Stack
A tall faucet sized to reach over the rim of a vessel (above-counter) sink. Height is matched to the specific basin to avoid splashing.
See also: Wikipedia — Tap (Valve)
Economical, durable composite tiles common in commercial and utility spaces; requires periodic stripping and waxing.
See also: Wikipedia — Vinyl Composition Tile
Interlocking PVC panels — the most economical, low-maintenance cladding. Quality varies by panel thickness; must be hung loose to move with temperature.
See also: Wikipedia — Siding (Vinyl)
A PVC-framed window — low cost, low maintenance, good insulation. The dominant residential replacement material; quality varies widely by brand.
See also: Wikipedia — Window
The fraction of visible light a window transmits (0–1); higher means a brighter, clearer view.
Gases emitted by some paints, finishes, and adhesives that affect indoor air quality. Low- and zero-VOC products are widely available and recommended for occupied remodels.
See also: U.S. EPA — Volatile Organic Compounds
A small dedicated room for food and small-appliance storage. High on homeowner wish lists; carving one out can require relocating a wall or borrowing adjacent space.
See also: Wikipedia — Pantry
A high-wall tub with a watertight door for step-in entry and seated bathing, an accessibility fixture. Long fill/drain times and cost are the trade-offs.
See also: Wikipedia — Bathtub
A system anchoring a bowing basement wall to a plate set in stable soil in the yard, allowing gradual straightening.
See also: Wikipedia — Ground Anchor
An upper cabinet mounted to the wall above counters (typically 12–15 in. deep). Height and the gap above the counter are governed by NKBA clearances.
See also: Wikipedia — Cabinetry
An oven built into cabinetry or a tall unit at a chosen height, separate from the cooktop. Ergonomic and design-forward; consumes a tall cabinet and a dedicated circuit.
See also: Wikipedia — Oven
A toilet mounted to an in-wall carrier with a concealed tank, floating off the floor. A premium space-saving look that requires opening the wall and a carrier system.
See also: Wikipedia — Flush Toilet
A faucet mounted in the wall above the sink rather than the deck. A design statement that must be plumbed in the wall during rough-in and set to the basin geometry.
See also: Wikipedia — Tap (Valve)
A low-heat drawer that holds finished food at serving temperature. An entertaining-focused premium add that consumes a drawer location and a circuit.
See also: Wikipedia — Major Appliance
The bang when fast-closing valves stop flow; an arrestor cushions it to protect pipes and joints.
See also: Wikipedia — Water Hammer
Household pressure (ideally ~50–70 psi). A pressure-reducing valve protects fixtures where street pressure is too high.
See also: Wikipedia — Pressure-Reducing Valve
The pipe from the municipal main or well to the house. Old galvanized or lead service lines are often replaced during major remodels.
See also: Wikipedia — Water Supply Network
Equipment that removes hardness minerals to protect pipes, fixtures, and water heaters. Often added during a plumbing remodel.
See also: Wikipedia — Water Softening
A projecting horizontal trim that visually breaks a tall wall and sheds water at a transition between siding types or stories.
See also: Wikipedia — Water Table (Architecture)
Counter material that continues vertically down the side of an island to the floor. A high-impact contemporary feature that consumes extra slab and fabrication.
See also: Wikipedia — Countertop
A continuous barrier (sheet or liquid-applied) over shower walls and floor that keeps water out of the structure. The make-or-break of a leak-free tiled shower.
See also: Wikipedia — Waterproofing
The wax seal between the toilet base and flange that prevents sewer gas and leaks. Replaced every time a toilet is reset; failure causes subfloor rot.
See also: Wikipedia — Flush Toilet
On engineered wood, the thickness of real wood above the core that determines how many times the floor can be sanded and refinished.
See also: Wikipedia — Wood Flooring
House wrap or building paper behind the siding that drains incidental water and blocks air while letting the wall dry. The wall's secondary water plane.
See also: Wikipedia — House Wrap (WRB)
Compressible seals around a door or operable window perimeter that block air and water infiltration. A cheap, high-impact efficiency item.
See also: Wikipedia — Weatherstripping
A small opening in the bottom of a window frame or sill that drains incidental water to the exterior. Blocked weeps cause leaks and rot.
See also: Wikipedia — Weep (Hole)
Drainage outlets at the base of brick veneer or stucco that let trapped water escape. Blocked weeps trap moisture and rot the wall.
See also: Wikipedia — Weep
A fully waterproofed bathroom where the shower is open to the room with no enclosure, the entire floor sloped to a drain. A design-forward, fully tanked build.
See also: Wikipedia — Wet Room
A wall built to house supply and drain-waste-vent plumbing. Keeping the sink on the existing wet wall avoids costly new drain and vent runs.
See also: Wikipedia — Drain-Waste-Vent System
The wall built to house the bath's supply and drain-waste-vent plumbing. Keeping fixtures on the existing wet wall avoids costly new drain and vent runs.
See also: Wikipedia — Drain-Waste-Vent System
A tub with water jets driven by a pump. Requires a dedicated GFCI circuit and access panel; declining in popularity versus air tubs and soaking tubs.
See also: Wikipedia — Whirlpool/Jetted Tub
Point-of-entry treatment (sediment/carbon) for all household water, plumbed at the service entrance.
See also: Wikipedia — Water Filter
A panel-mounted device clamping voltage spikes to protect all home electronics. Now required by code on service upgrades in many areas.
See also: Wikipedia — Surge Protector
A planned system delivering fresh outdoor air, increasingly required as homes are built and remodeled tighter.
See also: U.S. DOE — Whole-House Ventilation
Flooring boards over ~5 in. wide. Fewer seams and a high-end look, but more visible seasonal gapping, so acclimation and humidity control matter more.
See also: Wikipedia — Wood Flooring
A faucet with separate handles and spout mounted independently 8–16 in. apart. A higher-end look that requires a three-hole sink/top.
See also: Wikipedia — Tap (Valve)
The shingle-lapped sequencing of sill pan, jamb, and head flashing with the WRB so water always drains out and down, never into the wall.
See also: Wikipedia — Flashing (Weatherproofing)
The American Wire Gauge sizing of conductors to their amperage. Undersized wire on a too-large breaker is a fire hazard.
See also: Wikipedia — American Wire Gauge
Natural cedar/pine in clapboard, shingle, or shake form — classic and repairable but the highest maintenance (paint/stain cycles, rot watch).
See also: Wikipedia — Siding (Wood)
A traditional wood-framed window with the best natural insulation and classic look but the highest maintenance unless clad.
See also: Wikipedia — Window
The clear floor distance in a work aisle. NKBA recommends 42 in. for a one-cook kitchen and 48 in. where two cooks pass — the dimension that most affects how a kitchen 'feels.'
See also: NKBA — Kitchen Planning Guidelines
The classic kitchen-design relationship between the three primary work centers — sink, cooktop, and refrigerator. NKBA guidelines keep each leg 4–9 feet and the total of all three under 26 feet so cooking flows without crossing traffic.
See also: Wikipedia — Kitchen Work Triangle
Required clear space in front of a panel (about 36 in. deep, 30 in. wide). Remodels can't bury or block a panel.
See also: Wikipedia — NEC (Working Clearance)
A sink with an integrated ledge for sliding accessories — cutting board, colander, drying rack — turning the sink into a prep zone. A popular premium feature.
See also: Wikipedia — Sink
Wood-Plastic Composite — a softer, warmer, more cushioned rigid vinyl core than SPC, but slightly less dent-resistant.
See also: Wikipedia — Vinyl Flooring
Local laws governing how land may be used and what can be built where, including size, height, and setback limits. Additions and footprint changes often require zoning review.
See also: Cornell Law LII — Zoning
Dampers and thermostats dividing a house into independently controlled areas for comfort and efficiency, common with two-story homes.
See also: U.S. DOE — Zoning/Thermostats