How To Shingle A Roof Valley

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 roof valley. This flashing must be about 18. Then starting at the base of the. When shingling a roof with three tab shingles it s easiest to shingle the roof planes first working toward the valley. Valleys are a prime leak area so it s important to be careful.

Laminated shingles let you start in the valley and work outward which can be an advantage in some situations. How to shingle a valley roof. The open woven and closed cut methods are demonstrated. One layer of shingles actually crosses the valley beneath the other.

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 2 install metal flashing. Only nail at the edges with only enough nails to. To secure the roof valley flashing nail it down carefully.

Step 4 determine shingle lines. Step 5 install. Gaf mastering the roof chapter 12 this video demonstrates the proper installation technique for installing roofing valleys. Before you begin laying down the shingles it must be protected with a metal flashing.

Step 1 snap chalk line. Ensure ice and water protector has been installed along the valley first. 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.