Roof Overbuild Framing

If the unit of rise in inches is 3 then the cut is the unit of rise and the unit of run 12 inches or 3 12.

Roof overbuild framing.

To provide a framework for the new trusses nail 2 by 6 inch strips of wood around the perimeter of the roof. The exposed edges of the 3 layers of rigid insulation are no longer exposed. 1 8 pitch is given so 24 x 1 8 equals 3 or unit of rise in inches. Below is a link to a roof plan with a section that is over framed see note 3.

Over framing is when you frame a roof section on top of another roof section such as when joining a l shaped roof with each section at right angles to each other etc. Or if you want to raise the roof a bit more install fascia around the roof perimeter attached to the new soffit and nail the new roof deck to crown molding above the fascia. Line length is the hyptenuse of the triangle whose. Figure 2 2 roof framing terms.