Overbuild Roof Framing

Over frame means just that you over frame another roof on top of another roof.

Overbuild roof framing.

A third gable roof is joined to a main roof in an overbuild remodeling situation. Use of rafters trusses and a truss base polyline are demonstrated. 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. This new roof with a higher pitch can be accomplished with premade roof trusses and typical asphalt shingles.

Nail 2 boards onto your walls as top plates. 1 8 pitch is given so 24 x 1 8 equals 3 or unit of rise in inches. Shingle the addition roof letting the new shingles fold through the valley center and onto the old roof deck by at least 1 ft. Line length is the hyptenuse of the triangle whose.

When you nail in the second boards offset the seams of the upper and lower layers by at least 24 in 61 cm. Nail the first boards on top of your wall where you plan to build your roof. Use 8 penny nails to attach the first 2 in 4 in 5 1 cm 10 2 cm board to the wall studs. Re lay the shingles you removed from the existing roof.

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. Up from the valley center. Hip or valley rafter. Bed the end of each shingle in a 2 in wide ribbon of roofing cement placed 4 in.

Use of rafters trusses and a truss base polyline are demonstrated. Figure 2 2 roof framing terms. The exposed edges of the 3 layers of rigid insulation are no longer exposed. 10016 chief architect quick tip roof design.

The option would to frame it true meaning the joining roofs would share a common connection ie.