Overbuild Roof Framing

Replacing a roof can be expensive but if a roof contains only a small slope it s possible to raise the roof pitch of a house by building a roof over the old one.

Overbuild roof framing.

Shingle the addition roof letting the new shingles fold through the valley center and onto the old roof deck by at least 1 ft. Use 8 penny nails to attach the first 2 in 4 in 5 1 cm 10 2 cm board to the wall studs. Use of rafters trusses and a truss base polyline are demonstrated. Nail 2 boards onto your walls as top plates.

Bed the end of each shingle in a 2 in wide ribbon of roofing cement placed 4 in. Figure 2 2 roof framing terms. The exposed edges of the 3 layers of rigid insulation are no longer exposed. 1030 automatic framing exposed rafter tails sub fascia and sheathing.

The option would to frame it true meaning the joining roofs would share a common connection ie. A third gable roof is joined to a main roof in an overbuild remodeling situation. When you nail in the second boards offset the seams of the upper and lower layers by at least 24 in 61 cm. 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.

A third gable roof is joined to a main roof in an overbuild remodeling situation. Nail the first boards on top of your wall where you plan to build your roof. Re lay the shingles you removed from the existing roof. 10016 chief architect quick tip roof design.

Hip or valley rafter. 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. 1 8 pitch is given so 24 x 1 8 equals 3 or unit of rise in inches. Use of rafters trusses and a truss base polyline are demonstrated.

This new roof with a higher pitch can be accomplished with premade roof trusses and typical asphalt shingles.