The function of each component is.
Lp i joist roof rafters.
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.
Lp solidstart i joists are straighter and more uniform in strength stiffness and size than traditional lumber providing a strong sturdy floor.
Conventional framing the first thing to understand is how a roof framed with wood i joists differs structurally from a traditional stick framed roof.
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.
Lp solidstart i joists are more versatile than open web floor trusses and more uniform and dimensionally stable than lumber.
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.
Build sturdy stable floors with wider flanges.
They can be trimmed on site and long lengths allow ceilings and floors to be designed with fewer pieces saving installation time.
In a rafter roof all of these components are required to provide a stable roof.
The rafters carry the applied loads to the exterior walls.
The function of each component is.