How To Fix A Roof Valley Leak

Most valleys use either aluminum or copper.

How to fix a roof valley leak.

Inspect valley for holes all along joint. We removed all old roofing material down to the original wood deck. Start low soaking the area just above where the leak appears in the house. Check the entire roof valley carefully to locate the source of these problems.

The right thing to do here is to pull a valley basically pull a valley apart and rebuild it. A properly flashed roof valley should have an ice and water shield installed with roofing felt being properly secured over the ice and water. Take measurements of your roof flashing most flashing is 14 inches wide but yours may vary. You can patch small holes with the same type of sheet metal valley is made of.

Clear any debris in the roof valley and surrounding area. T o repair an open valley. Move to the highest end of the valley and work your way down cleaning. 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.

Step 2 remove the shingles. And that s what we ve done here montgomery s old cloverdale neighborhood. 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. For example soak the downhill side of a chimney first then each side then the top on both sides.

Follow these three preparatory steps to get ready to fix the valley leak. Then installed a layer of gaf storm guard underlayment and 20 valley flashing. Re shingle roof valleys install ice and water shield under shingles or install metal roof flashing and re shingle the valley. The best way to find and stop the roof leak is to start over and roof the valley the right way.

In order to lay the flashing the shingles on the roof will have to be removed. Have your helper stay inside the house waiting for the drip to appear. Isolate areas when you run the hose. Using different metal to patch valley will cause corrosion.

Remove debris remove all debris from roof valleys so nothing is touching your roof. 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.