Roof To Wall Framing Detail

Sills and plates normally provide adequate firestopping in walls and partitions.

Roof to wall framing detail.

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. The trim and roofing sheet should be fastened every 12 to 24 inches along the gable edge. And the line length measurement from the roof peak to the building wall is the hypotenuse. 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. The focus of this project was on connections used with conventional light frame wood roof construction. The rise or height of the roof at its peak is the altitude of the triangle. The run or half the building span is the base of the triangle.

Rafters act more like the top chord of a roof truss than as a roof joist. At roof to wall intersections see figure 1. The rafters carry the applied loads to the exterior walls. This will keep weather out prevent lifting in high winds and provide a neat fin ished appearance.

Use step flashing that has a 2 to 4 inch longer vertical leg than normal. 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. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. Because most roof flashing is required to extend up the wall a minimum of 4 and some a minimum of 5.

Framing must transfer all gravity uplift and lateral loads to the foundation. Cont 2x2 soffit framing jiit li wallsheathing fascia vented soffit system 1. Needed to tie the roof together where the rafters are framed at an angle to each other. In buildings including residential structures framing systems typically consist of the roof structure that supports the roof.

To wall sloped roof no overhang ledger support. Tape the top of step flashing with 4 inch wide minimum self adhering modified bitumen roof tape. The function of each component is. The roof flashing is then placed up behind this through the wall z bar flashing on the outside of the vertical blocking backing material.

In a rafter roof all of these components are required to provide a stable roof. Deck exterior and interior load bearing walls beams girders posts and floor framing. Most simply use a nominal 6 piece of lumber. Exterior wall parapet rafters prep.

At the gable edge use a gable or sidewall flashing.