This video demonstrates the proper installation technique for installing roofing valleys.
Roofing valleys with architectural shingles.
Only nail at the edges with only enough nails to.
Apply the first real course of architectural shingles so that the tabs reach the lower edge of the starter course.
Many roofers cut the shingles across because they say it s safer.
The open woven and closed cut methods are demonstrated.
No one of this affirmat.
Laminated shingles are more liable to create bumps in woven valleys.
To secure the roof valley flashing nail it down carefully.
In this video i show you how i do the valleys on a shingle roof.
Roof installation how to shingle a valley hd by roofrepair101 more about roofing at.
Attach each shingle with three nails one in the center and one each on each side.
To shingle out of the valley with laminated shingles lay a shingle down as a gauge and mark the corner at the bottom left and top right of the roof.
Ensure ice and water protector has been installed along the valley first.
I then move the shingle to the uppermost course on the roof plane line up the mark on the shingle with the valley center and again mark the corner.