To secure the roof valley flashing nail it down carefully.
Shingle roof valley installation.
Some roofers cut the shingles parallel to the flashing s center ridge.
Snipping off the corners of.
This video demonstrates the proper installation technique for installing roofing valleys.
Only nail at the edges with only enough nails to.
Ensure ice and water protector has been installed along the valley first.
The open woven and closed cut methods are demonstrated.
Others start with a 3 inch wide.
Place a piece of sheet metal under the shingles to make sure you will not damage the flashing.
How to do it determine cuts.