To achieve a woven valley installation a roofing professional lays shingles in the valley and weaves them together.
Papering a roof valley.
Cut it to fit your roof if.
The valleys on many older houses comprise layers of roofing paper which can deteriorate over time.
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.
The three methods to shingle a roof valley.
Roof valleys are troughs that discard runoff water where two sections of sloped roof meet.
Some homeowners prefer the consistent look that a woven valley provides.
Woven valley shingle installation.