Needed to tie the roof together where the rafters are framed at an angle to each other.
Roof overbuild framing.
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.
The function of each component is.
Line length is the hyptenuse of the triangle whose.
A third gable roof is joined to a main roof in an overbuild remodeling situation.
Rafters act more like the top chord of a roof truss than as a roof joist.
Also a link to elevations of house.
In a rafter roof all of these components are required to provide a stable roof.
The rafters carry the applied loads to the exterior walls.
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.
Figure 2 2 roof framing terms.
The exposed edges of the 3 layers of rigid insulation are no longer exposed.