They can be trimmed on site and long lengths allow ceilings and floors to be designed with fewer pieces saving installation time.
Lp i joist roof rafters.
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.
Build sturdy stable floors with wider flanges.
Joists and collar ties.
The function of each component is.
We offer longer lengths so that ceilings and floors can be designed with fewer pieces saving time on installation.
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.
Lp solidstart i joists are straighter and more uniform in strength stiffness and size than traditional lumber providing a strong sturdy floor.
The rafters carry the applied loads to the exterior walls.
In a rafter roof all of these components are required to provide a stable roof.
Rafters act more like the top chord of a roof truss than as a roof joist.