Floor
Lumber Floor Framing Systems
Lumber floor systems are composed of joists, girders, and sheathing.
I-Joist Floor Framing Systems
I-Joist floor systems are composed of I-joists, sheathing, a rim board, and sometimes girders.
Truss Floor Systems
Truss floor systems are composed of parallel chord trusses, sheathing, rimboard, and sometimes girders.