To wall sloped roof no overhang ledger support.
Roof to wall framing detail.
Exterior wall parapet rafters prep.
The rafters carry the applied loads to the exterior walls.
And the line length measurement from the roof peak to the building wall is the hypotenuse.
While most home builders will outsource the construction of roofing trusses the rafter supports of the roof itself learning to frame a roof yourself is one of the true arts of carpentry and a basic primer is covered below.
The run or half the building span is the base of the triangle.
At roof to wall intersections see figure 1.
The roof flashing is then placed up behind this through the wall z bar flashing on the outside of the vertical blocking backing material.
Needed to tie the roof together where the rafters are framed at an angle to each other.
Tape the top of step flashing with 4 inch wide minimum self adhering modified bitumen roof tape.
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.
Because most roof flashing is required to extend up the wall a minimum of 4 and some a minimum of 5.
Framing a roof is the last step in framing new construction.
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.
This will keep weather out prevent lifting in high winds and provide a neat fin ished appearance.
In a rafter roof all of these components are required to provide a stable roof.
In buildings including residential structures framing systems typically consist of the roof structure that supports the roof.
This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams.
Cont 2x2 soffit framing jiit li wallsheathing fascia vented soffit system 1.
At the gable edge use a gable or sidewall flashing.
Sills and plates normally provide adequate firestopping in walls and partitions.
The rise or height of the roof at its peak is the altitude of the triangle.
The function of each component is.
Deck exterior and interior load bearing walls beams girders posts and floor framing.
Collar ties rafter ties tension beams structural ridge beams.
The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle.
Framing must transfer all gravity uplift and lateral loads to the foundation.
Use step flashing that has a 2 to 4 inch longer vertical leg than normal.
The trim and roofing sheet should be fastened every 12 to 24 inches along the gable edge.
