How Shingle A Roof Valley

Step 2 install metal flashing.

How shingle a roof valley.

When shingling a roof with three tab shingles it s easiest to shingle the roof planes first working toward the 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. This flashing must be about 18. Before you begin laying down the shingles it must be protected with a metal flashing.

Only nail at the edges with only enough nails to. Step 3 apply mineral roofing felt. 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. Lay one and two tab shingles as you near the valley so full size shingles will run across the valley.

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 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. From the side you are currently working on place shingles over the valley making sure they extend at least 12 on the other side. To secure the roof valley flashing nail it down carefully.

Step 5 install. If you have a valley to shingle make sure you started your shingles away from the valley working toward the valley on the lower side of the valley only. Ensure ice and water protector has been installed along the valley first. Laminated shingles let you start in the valley and work outward which can be an advantage in some situations.

Roof one side of the valley running the shingles across it. A properly flashed roof valley should have an ice and water shield installed with roofing felt being properly secured over the ice and water. Step 4 determine shingle lines. Then starting at the base of the.

Step 1 snap chalk line. Shingle the other side of the valley the same way. All valleys start the same. As on the other shingles use 4 roofing nails on each shingle.