Lally Column

Related terms

• Concrete

  A mix of cement, aggregate, and water that cures into a hard structural material used for footings, slabs, and foundations. Curing time a…

• 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.

• Live Load

  Transient loads — occupants, furniture, snow — that a structure must carry. Code sets minimums by room use (e.g., higher for decks and as…

• Joist Hanger

  A metal bracket that supports a joist or beam end at a flush connection. Correct hanger and the specified nails/screws are load-critical.

• Load Path

  The continuous route loads follow from roof to footing. Any remodel that interrupts the path (removing a wall/post) needs an engineered r…

• Interior Drain System

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

• LVL (Laminated Veneer Lumber)

  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 p…

• 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…