Drill holes with a diameter of no more than one-third the depth of the joist, staying 2 in. away from the top and bottom. The ...

Hybrid floor trusses have steel webs and top and bottom chords made from lumber. For a short distance on each end, the web material is made from oriented strand board (OSB) to form an I-joist that can ...

Rafters, beams, and joists are used in several different applications. Joists are horizontal or near-horizontal structural members that support a floor or ceiling. The weight of the floor or ceiling ...