I Joist Shed Roof

I joists are used extensively in residential floor and roof framing.

I joist shed roof.

These joists may need reinforcin g to reduce bounciness sagging or excessive deflection in the floor or ceiling. The bottom half is carried by the exterior bearing walls. Sometimes joists are notched at the end where they bear on a wall or sill. They are ideal for long spans including continuous spans over intermediate supports.

Instead a wood i joist roof system is framed with either a central bearing wall or a structural ridge a beam that carries the roof load to posts. We also wanted a shed style roof so there is a s. If the cut outs are too large or in the wrong location the joist can be weakened and unable to support the load it was designed for. Front elevation architect erik sokol s drawing shows the long shed roof at the left of the building as viewed from the street.

2 0 maximum cantilever roof truss span 2 0 maximum cantilever hip girder trusses truss roof trusses 13 0 maximum roof truss span. When comparing roof types you see a lot of gable and hip roofs but a contemporary option with a simple design is a shed roof. We chose i joists to frame our roof out because they can span long distances without intermediate supports. The crew frames a long span shed roof using 16 inch deep wood i joists and steel hangers.

Shall be permitted to be used. Because i joists are straight and true it s easier for builders to avoid crowning and maintain a level framing surface.