How To Shingle A Valley In A Roof

Each successive shingle should be then placed with a six inch overlap or until the adhesive strip contacts the bottom of the shingle tabs.

How to shingle a valley in a roof.

The open woven and closed cut methods are demonstrated. Stop nailing 6 inches from the center. 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 installation how to shingle a valley hd by roofrepair101 more about roofing at.

Lay one and two tab shingles as you near the valley so full size shingles will run across the 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. Step 6 shingle 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.

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. Gaf mastering the roof chapter 12 this video demonstrates the proper installation technique for installing roofing valleys. Snap a chalkline 2 to 3 inches past the valley center on the top layer of shingles. Roof one side of the valley running the shingles across it.

For closed cut valleys shingles on one roof plane are installed through a valley and extended at least 30 cm into the intersecting plane. Extend the 3 tab shingles on one of the roof s planes past the valley at least 12 inches. Valleys are a prime leak area so it s important to be careful. A woven valley shingle installation has other drawbacks including that they are slow to install especially in cold weather and more difficult to repair than the other types.

Continue until you reach the top edge of the valley roof. From this starter shingle continue moving up the valley roof.