A third gable roof is joined to a main roof in an overbuild remodeling situation.
Roof overbuild framing.
Needed to tie the roof together where the rafters are framed at an angle to each other.
The exposed edges of the 3 layers of rigid insulation are no longer exposed.
Rafters act more like the top chord of a roof truss than as a roof joist.
Line length is the hyptenuse of the triangle whose.
Below is a link to a roof plan with a section that is over framed see note 3.
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.
The rafters carry the applied loads to the exterior walls.
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.
The function of each component is.
Figure 2 2 roof framing terms.
Box beam gable framing new gable overhang is framed in the form of a box beam hanging off of a new layer of roof plywood roof sheathing cantilevered over the top of the 3 layers of rigid insulation.
Also a link to elevations of house.