Woven valley shingle installation.
Papering a roof valley.
The three methods to shingle a roof valley.
On the common rafters the plumb cut is marked with a framing square for a 12 in 12 pitch 45 and cut square i e no bevel.
To achieve a woven valley installation a roofing professional lays shingles in the valley and weaves them together.
Cut it to fit your roof if.
The valley rafter is marked for a 12 in 17 pitch and then cut with a double bevel to fit into the ridge intersection.
Some homeowners prefer the consistent look that a woven valley provides.
Roll out the tar paper along the bottom edge of the roof.