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.
Roof overbuild framing. 1 8 pitch is given so 24 x 1 8 equals 3 or unit of rise in inches. A third gable roof is joined to a main roof in an overbuild remodeling situation. 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. 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.
Use of rafters trusses and a truss base polyline are demonstrated architectural home design software. Figure 2 2 roof framing terms. Below is a link to a roof plan with a section that is over framed see note 3. Line length is the hyptenuse of the triangle whose.