How To Shingle A Valley In A Roof

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.

How to shingle a valley in a roof. Roof installation how to shingle a valley hd by roofrepair101 more about roofing at. Snap a chalkline 2 to 3 inches past the valley center on the top layer of shingles. Shingle the other side of the valley the same way. Step 6 shingle valley.

Lay one and two tab shingles as you near the valley so full size shingles will run across the valley. 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. Roof one side of the valley running the shingles across it. Secure all of the 3 tab shingles to the roof plane with the 1 inch roofing nails using the local building codes as a placement guide except for the shingles covering the flashing material.

The open woven and closed cut methods are demonstrated. Continue until you reach the top edge of the valley roof. Extend the 3 tab shingles on one of the roof s planes past the valley at least 12 inches. The next shingle should be directly atop the first one.

Gaf mastering the roof chapter 12 this video demonstrates the proper installation technique for installing roofing valleys. Valleys are a prime leak area so it s important to be careful. In order to shingle this kind of roof valley a roofing professional has to install both roof faces at the same time which is quite slow. 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.

Each successive shingle should be then placed with a six inch overlap or until the adhesive strip contacts the bottom of the shingle tabs. Stop nailing 6 inches from the center.