How To Frame A Roof Rake
I usually cantilever lookouts over the rake wall tying them into the rafters one or two layouts back.
How to frame a roof rake. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. Measure down y height from the long point of the rafter cut and make a mark. Roof framing rafter layout. From one end of the rafter material using a speed square or framing square mark an x in 12 angle on the rafter and cut it.
For a shallow overhang less than 18 inches i use 2x6s on the flat so i typically frame the rake wall 11 2 inches shorter measured square to the. Plus you end up needing a couple of rafters. Bend the flashing into a v shape to fit over the top roof ridge and the corners where the panels meet. Depends on how you treat the rake wall at the roof line.
The rise or height of the roof at its peak is the altitude of the triangle. The front and back rake flashing and side metal flashing installed with the panels will. The diagonal plates are 3 1 2 inches down from the tops of the rafters to support 2x4 lookouts for framing the rake. The flashing should overlap the edge of the roof by one inch to help direct water.
It s effective but leaves a hinge line where the wall plate meets the underside of the rafter. After the end points of the plates are located the length is found using a base 1 triangle for a 6 in 12 pitch where the hypotenuse is 1 118 times the length of the base. And the line length measurement from the roof peak to the building wall is the hypotenuse. There are a couple of methods for rake wall framing i ve used over the years.
It helps direct water away from the meeting points and keeps the roofing dry. One is to position rafters at the rake wall and frame infill studs beneath. Connect the front of the rake flashing to the roof frame s side with wood screws using a screwdriver.