Fix Leaking Roof Valley

Re shingle roof valleys install ice and water shield under shingles or install metal roof flashing and re shingle the valley.

Fix leaking roof valley.

A flashing is a transitional roofing material that connects the roof material to some other building material or to another part of the roof. Isolate areas when you run the hose. You can patch small holes with the same type of sheet metal valley is made of. And if they put a second layer of shingles on they brought it up the valley but they didn t replace the valley it s probably leaking and cracking and split.

Using different metal to patch valley will cause corrosion. If the ice and water shield is missing then you will have to remove the shingles on both sides along the valley put ice and water shield in place and re shingle the roof. And you can tar it but it s a real stop gap band aid like measure. Most valleys use either aluminum or copper.

Start low soaking the area just above where the leak appears in the house. Clean surface of valley with wire brush. And damaged flashing is behind most roof leaks. How to fix roof valley leaks.

A properly flashed roof valley should have an ice and water shield installed with roofing felt being properly secured over the ice and water. In either situation the leaking roof valley can be fixed by removing affected shingles and structural elements and upgrading your roof s flashing. Once the roof valley has begun to leak you will need to cover the valley with flashing in order to prevent a repeat of the problem. The right thing to do here is to pull a valley basically pull a valley apart and rebuild it.

Inspect valley for holes all along joint. If a leak is difficult to find enlist a helper and go up on the roof with a garden hose. Remove debris remove all debris from roof valleys so nothing is touching your roof. In order to lay the flashing the shingles on the roof will have to be removed.