Roof

Lumber Roof Systems

Lumber roof systems are composed of rafters, sheathing, and a ridge board or ridge beam.
Rafters

Rafters

Ridge Boards

Ridge Boards

Ridge Beams

Ridge Beams

Sheathing

Sheathing

I-Joist Roof Systems

An I-Joist roof system is composed of an I-joist, ridge beam, and sheathing.
I-joists.

I-Joists

Ridge Beams

Ridge Beams

Sheathing

Sheathing

Pitch Chord Truss Roof Systems

Pitch chord truss roof systems are composed of trusses and sheathing.
Pitch Chord Trusses

Trusses

Sheathing.

Sheathing