Shingling A Roof Valley

Valleys are a prime leak area so it s important to be careful.

Shingling a roof valley.

From this starter shingle continue moving up the valley roof. According to long time iko sales representative jeff tessaro closed valleys for residential construction have been popular since he was a roofing contractor in the late 90 s. Each successive shingle should be then placed with a six inch overlap or until the adhesive strip contacts the bottom of the shingle tabs. Continue until you reach the top edge of the valley roof.

Roof one side of the valley running the shingles across it. How to lay shingles. Shingle the other side of the valley the same way. Shingles protect sloping rooftops from the effects of rain snow and hail while providing an attractive crown for the house.

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. One of the details that varies between homes is the method of flashing the valley areas of the roof.

Stop nailing 6 inches from the center. The next shingle should be directly atop the first one. With each new course roofing shingles continue up the valley. Keeping a solid roofing layer of shingles is an important way to avoid water damage and.

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. For the next two shingling methods closed cut and long island valleys i work out of the valley using laminated shingles instead of working toward the valley with three tab shingles. To understand what makes a valley either closed or open it is important to understand how a valley is constructed. Step 6 shingle valley.

There are two common methods for completing the flashing of a valley in a shingle roof system. Closed valleys or open valleys. Lay one and two tab shingles as you near the valley so full size shingles will run across the valley. Shingling both a closed cut valley and a long island valley is the same for the first half of the process.