Helical Pier

Related terms

• Excavation

  Earth removal for foundations, footings, or utilities. Regulated for cave-in safety and requires utility locating before digging.

• Foundation

  The structure (slab, crawl space, or basement) that transfers the building's load to the ground. Foundation condition underlies the feasi…

• Hydrostatic Pressure

  Water-table pressure pushing against foundation walls and slabs — the driving force behind most basement leaks and wall bowing.

• Grade Beam

  A reinforced concrete beam at or below grade that spans between piers or footings to distribute structural loads.

• I-Joist

  An engineered floor joist with a tall web and flanges (I-shaped) that spans far with little deflection. Web holes must follow the manufac…

• Glulam

  Glued-laminated timber — a structural beam of bonded dimensional lumber, often used where the beam is exposed for appearance.

• Interior Drain System

  A perforated channel installed inside the footing under the basement slab, feeding a sump — the common retrofit for chronic basement water.

• Girder

  A large primary beam that carries other beams or joists. The main load-collecting member, often mid-span under a floor down to columns.