W
Wood Joist

Wood Joist

A wood joist is a horizontal framing member used to support floors, ceilings, or flat roofs, distributing loads and ensuring structural stability.

Boost Your Takeoff & Estimating by 37% with AI
  • Fast: Save time
  • Accurate: Ensure precision
  • Simple: Easy to use
  • Automated: Fewer errors
  • Versatile: For any project
Get Started

Definition

A Wood Joist is a horizontal framing member of a floor, ceiling, or flat roof.

Purpose

The purpose of a wood joist is to support the weight of floors, ceilings, or roofs by distributing loads to the walls or other supporting structures, ensuring structural stability.

Examples of Use

  • Residential Flooring: Supporting floors in homes.
  • Ceilings: Providing structural support for ceiling materials.
  • Flat Roofs: Bearing the weight of roofing materials on flat roofs.

Related Terms

  • Beam: A horizontal structural member that supports loads.
  • Rafter: A sloped framing member that supports the roof.
  • Truss: A framework of beams forming a rigid structure.

Notes

Wood joists must be properly spaced and sized according to building codes to handle expected loads and prevent structural issues such as sagging or collapse.

Related Terms