How To Shingle A Roof Valley

One layer of shingles actually crosses the valley beneath the other.

How to shingle a roof valley.

How to shingle a valley roof. Step 3 apply mineral roofing felt. Valleys are a prime leak area so it s important to be careful. When shingling a roof with three tab shingles it s easiest to shingle the roof planes first working toward the valley.

All valleys start the same. Before you begin laying down the shingles it must be protected with a metal flashing. 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.

Step 5 install. 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. This flashing must be about 18. Gaf mastering the roof chapter 12 this video demonstrates the proper installation technique for installing roofing valleys.

For closed cut valleys shingles on one roof plane are installed through a valley and extended at least 30 cm into the intersecting plane. To secure the roof valley flashing nail it down carefully. Then starting at the base of the. Step 1 snap chalk line.

Only nail at the edges with only enough nails to. Step 4 determine shingle lines. 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.