Shingling A Roof Valley

Closed valleys or open valleys.

Shingling a roof valley.

Shingles protect sloping rooftops from the effects of rain snow and hail while providing an attractive crown for the house. For a closed valley shingles are installed across the joint where planes intersect. 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. Keeping a solid roofing layer of shingles is an important way to avoid water damage and.

Stop nailing 6 inches from the center. Shingling both a closed cut valley and a long island valley is the same for the first half of the process. Closed cut and long island roof valleys. Each successive shingle should be then placed with a six inch overlap or until the adhesive strip contacts the bottom of the shingle tabs.

Step 6 shingle valley. Shingle the other side of the valley the same way. Roof one side of the valley running the shingles across it. Lay one and two tab shingles as you near the valley so full size shingles will run across the valley.

How to lay shingles. To understand what makes a valley either closed or open it is important to understand how a valley is constructed. One of the details that varies between homes is the method of flashing the valley areas of the roof. 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. Continue until you reach the top edge of the valley roof. With each new course roofing shingles continue up the valley. From this starter shingle continue moving up the valley roof.

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.