How To Do A Roofing Valley

How to do it determine cuts.

How to do a roofing valley. Others start with a 3 inch wide. Just simple 3d animated digital instructions on how to install a valley on a masterrib panel roof. Away from the valley center just as i did with the closed cut valley. Gaf mastering the roof chapter 12 this video demonstrates the proper installation technique for installing roofing valleys.

Only nail at the edges with only enough nails to. Soup to nuts riley shows the proper way of installing a valley on a roof. Valleys are a prime leak area so it s important to be careful. Snipping off the corners of.

Masterrib is a 36 wide 5 r. Place a piece of sheet metal under the shingles to make sure you will not damage the flashing. The lowest of these valley shingles is cut back at an angle in line with the lowest course line. Ensure ice and water protector has been installed along the valley first.

When i ve finished shingling the first roof plane i snap a chalkline 2 in to 3 in. To secure the roof valley flashing nail it down carefully. Next i smear roof cement a couple of inches away from my snapped line. Then i install a line of shingles up the valley with the top edge aligned with my snapped line.

Then starting at the base of the. Some roofers cut the shingles parallel to the flashing s center ridge.