To achieve a woven valley installation a roofing professional lays shingles in the valley and weaves them together.
Papering a roof valley.
The three methods to shingle a roof valley.
Begin your first row of tar paper with the bottom of the tar paper slightly hanging over the edge of the roof.
Some homeowners prefer the consistent look that a woven valley provides.
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.
Roll out the tar paper along the bottom edge of the roof.
Cut it to fit your roof if.