Roof To Wall Framing Detail
And the line length measurement from the roof peak to the building wall is the hypotenuse.
Roof to wall framing detail. The run or half the building span is the base of the triangle. The roof flashing is then placed up behind this through the wall z bar flashing on the outside of the vertical blocking backing material. Most simply use a nominal 6 piece of lumber. To provide a drip edge allow an overhang of 1 to 2 inches at the eave.
Because most roof flashing is required to extend up the wall a minimum of 4 and some a minimum of 5. Deck exterior and interior load bearing walls beams girders posts and floor framing. 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.
In buildings including residential structures framing systems typically consist of the roof structure that supports the roof. The trim and roofing sheet should be fastened every 12 to 24 inches along the gable edge. Sills and plates normally provide adequate firestopping in walls and partitions. Other conditions such as offset walls are not covered by this detail.
To wall sloped roof no overhang ledger support. Use step flashing that has a 2 to 4 inch longer vertical leg than normal. Needed to tie the roof together where the rafters are framed at an angle to each other. Addition to floor and roof framing details this guide includes recommendations for cantilevers and placement of web holes.
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. At roof to wall intersections see figure 1. The rafters carry the applied loads to the exterior walls. The focus of this project was on connections used with conventional light frame wood roof construction.
This will keep weather out prevent lifting in high winds and provide a neat fin ished appearance. The function of each component is. Framing must transfer all gravity uplift and lateral loads to the foundation. Rafters act more like the top chord of a roof truss than as a roof joist.
In a rafter roof all of these components are required to provide a stable roof. Cont 2x2 soffit framing jiit li wallsheathing fascia vented soffit system 1. Do not seal housewrap or building paper to step flashing. At the gable edge use a gable or sidewall flashing.
Tape the top of step flashing with 4 inch wide minimum self adhering modified bitumen roof tape.