Fix Leaking Roof Valley

In order to lay the flashing the shingles on the roof will have to be removed.

Fix leaking roof valley.

How to fix roof valley leaks remove debris remove all debris from roof valleys so nothing is touching your roof re shingle roof valleys install ice and water shield under shingles or install metal roof flashing and re shingle the valley. 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. 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. In either situation the leaking roof valley can be fixed by removing affected shingles and structural elements and upgrading your roof s flashing.

A properly flashed roof valley should have an ice and water shield installed with roofing felt being properly secured over the ice and water. If that water doesn. Start low soaking the area just above where the leak appears in the house. And damaged flashing is behind most roof leaks.

Isolate areas when you run the hose. For example soak the downhill side of a chimney first then each side then the top on both sides. If a leak is difficult to find enlist a helper and go up on the roof with a garden hose. And you can tar it but it s a real stop gap band aid like measure.

A flashing is a transitional roofing material that connects the roof material to some other building material or to another part of the roof. Roof valleys if not installed correctly are one of the most leak prone areas on the roof. Because roof valleys function as a drain on the roof they receive as disproportionate volume of water every time it rains. Just like in nature a valley on a roof is designed to collect water.