Roof To Wall Framing Detail

Because most roof flashing is required to extend up the wall a minimum of 4 and some a minimum of 5.

Roof to wall framing detail.

At roof to wall intersections see figure 1. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. The rise or height of the roof at its peak is the altitude of the triangle. The rafters carry the applied loads to the exterior walls.

The trim and roofing sheet should be fastened every 12 to 24 inches along the gable edge. Other conditions such as offset walls are not covered by this detail. The roof flashing is then placed up behind this through the wall z bar flashing on the outside of the vertical blocking backing material. Deck exterior and interior load bearing walls beams girders posts and floor framing.

At the gable edge use a gable or sidewall flashing. Sills and plates normally provide adequate firestopping in walls and partitions. Most simply use a nominal 6 piece of lumber. A literature review was conducted and supplemented with new research on the performance of conventional roof systems and components including ceiling joist to rafter connections and roof framing to wall connections.

To provide a drip edge allow an overhang of 1 to 2 inches at the eave. The function of each component is. Addition to floor and roof framing details this guide includes recommendations for cantilevers and placement of web holes. Joist attachment per detail 1b load bearing wall above shall align vertically with the wall below.

And the line length measurement from the roof peak to the building wall is the hypotenuse. In a rafter roof all of these components are required to provide a stable roof. This will keep weather out prevent lifting in high winds and provide a neat fin ished appearance. Rafters act more like the top chord of a roof truss than as a roof joist.

Do not seal housewrap or building paper to step flashing. In buildings including residential structures framing systems typically consist of the roof structure that supports the roof. Exterior wall parapet rafters prep. Use step flashing that has a 2 to 4 inch longer vertical leg than normal.

Other firestopping requires 2 inch lumber or two thicknesses of 1 inch lumber with staggered joints or one thickness of inch plywood with joints backed by 1 inch lumber or inch plywood. Framing must transfer all gravity uplift and lateral loads to the foundation. Tape the top of step flashing with 4 inch wide minimum self adhering modified bitumen roof tape. Cont 2x2 soffit framing jiit li wallsheathing fascia vented soffit system 1.

To wall sloped roof no overhang ledger support.