How To Shingle A Roof Valley

Step 5 install.

How to shingle a roof valley.

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. Laminated shingles let you start in the valley and work outward which can be an advantage in some situations. Step 2 install metal flashing. Gaf mastering the roof chapter 12 this video demonstrates the proper installation technique for installing roofing valleys.

Step 4 determine shingle lines. Valleys are a prime leak area so it s important to be careful. All valleys start the same. One layer of shingles actually crosses the valley beneath the other.

Ensure ice and water protector has been installed along the valley first. To secure the roof valley flashing nail it down carefully. Shingles from the other side are run through the valley center line and cut along a line parallel to and 4 cm from the center line. How to shingle a valley roof.

Then starting at the base of the. Before you begin laying down the shingles it must be protected with a metal flashing. For closed cut valleys shingles on one roof plane are installed through a valley and extended at least 30 cm into the intersecting plane. Step 1 snap chalk line.

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. Step 3 apply mineral roofing felt. The open woven and closed cut methods are demonstrated.