When i ve finished shingling the first roof plane i snap a chalkline 2 in to 3 in.
How to do a roofing valley.
No sales pitch or other fluff.
Snipping off the corners of.
Masterrib is a 36 wide 5 r.
The open woven and closed cut methods are demonstrated.
How to do it determine cuts.
Place a piece of sheet metal under the shingles to make sure you will not damage the flashing.
Gaf mastering the roof chapter 12 this video demonstrates the proper installation technique for installing roofing valleys.
Next i smear roof cement a couple of inches away from my snapped line.
Ensure ice and water protector has been installed along the valley first.
Soup to nuts riley shows the proper way of installing a valley on a roof.
Then starting at the base of the.
Soup to nuts riley shows the proper way of installing a valley on a roof.
Some roofers cut the shingles parallel to the flashing s center ridge.
Away from the valley center just as i did with the closed cut valley.
The lowest of these valley shingles is cut back at an angle in line with the lowest course line.
To secure the roof valley flashing nail it down carefully.
Others start with a 3 inch wide.
Then i install a line of shingles up the valley with the top edge aligned with my snapped line.