holes anywhere in the web area of engineered I-joists, except within 6 in. of walls and rim joists. The post How To Safely ...

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 ...

but modern houses often use engineered joists like trusses or I-joists because they provide better strength for less cost. A ...