In a rafter roof all of these components are required to provide a stable roof.
Lp i joist roof rafters.
Build sturdy stable floors with wider flanges.
We offer longer lengths so that ceilings and floors can be designed with fewer pieces saving time on installation.
The rafters carry the applied loads to the exterior walls.
The function of each component is.
Conventional framing the first thing to understand is how a roof framed with wood i joists differs structurally from a traditional stick framed roof.
The function of each component is.
The rafters carry the applied loads to the exterior walls.
Rafters act more like the top chord of a roof truss than as a roof joist.
Joists and collar ties.
Not shown are the hip and valley rafters needed to tie the roof together where the rafters are framed at an angle to each other.
In a typical roof framed with dimension lumber the rafters rest on the exterior wall top plate at the lower end and bear against a ridge board at the top.
Lp solidstart i joists are more versatile than open web floor trusses and more uniform and dimensionally stable than lumber.