How To Repair Shingle Roof Valleys

Roof valleys are troughs that discard runoff water where two sections of sloped roof meet.

How to repair shingle roof valleys.

Roof valleys are channels designed to drain runoff water and like any other part of your roof they can degrade over time with exposure to the elements. Stop nailing 6 inches from the center. Snap a chalkline 2 to 3 inches past the valley center on the top layer of shingles. How to repair valleys on a roof.

Whether you have a woven shingle roof a tile roof or a composite roof the basic steps required to repair the leak will be the same. Though roof valleys are com mon leak sites on shingle roofs it s typically fairly easy to fix these problems with a little know how. With a closed cut valley there s no need to shingle the two roof planes at the same time. The valleys on many older houses comprise layers of roofing paper which.

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. Roof one side of the valley running the shingles across it. High winds sometimes blow shingles away from the roof valley particularly if the edges of the shingles are not nailed in place because of shingle strain described above. Cut roof valleys also can easily be dislodged because of rain and wind.

The roof valley is where two angles of the roof come together and form a valley. Shingle the other side of the valley the same way. Roof installation how to shingle a valley hd by roofrepair101 more about roofing at. In other cases water can become trapped under shingles which have been overlaid to create the valley trough.

Plus cutting the closed cut valley shingles can happen after the rest of the roof is shingled. Lay one and two tab shingles as you near the valley so full size shingles will run across the valley.