Shingling A Roof Valley

The next shingle should be directly atop the first one.

Shingling a roof valley.

There are two common methods for completing the flashing of a valley in a shingle roof system. Lay one and two tab shingles as you near the valley so full size shingles will run across the valley. To understand what makes a valley either closed or open it is important to understand how a valley is constructed. For a closed valley shingles are installed across the joint where planes intersect.

Stop nailing 6 inches from the center. Shingles protect sloping rooftops from the effects of rain snow and hail while providing an attractive crown for the house. 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. Closed valleys or open valleys.

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. Each successive shingle should be then placed with a six inch overlap or until the adhesive strip contacts the bottom of the shingle tabs. From this starter shingle continue moving up the valley roof. One of the details that varies between homes is the method of flashing the valley areas of the roof.

Step 6 shingle valley. Snap a chalkline 2 to 3 inches past the valley center on the top layer of shingles. 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. Closed cut and long island roof valleys.

Shingle the other side of the valley the same way. How to lay shingles. 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.

Shingling both a closed cut valley and a long island valley is the same for the first half of the process.