Repairing A Leaky Roof Valley

Using different metal to patch valley will cause corrosion.

Repairing a leaky roof valley.

First of all you ll probably need extension ladders to climb to a roof. 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. Start low soaking the area just above where the leak appears in the house. Follow these three preparatory steps to get ready to fix the valley leak.

Inspect valley for holes all along joint. The right thing to do here is to pull a valley basically pull a valley apart and rebuild it. In any case before you start make sure that you removed any debris from 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.

For example soak the downhill side of a chimney first then each side then the top on both sides. And you can tar it but it s a real stop gap band aid like measure. 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 this paragraph we will provide you with the tip for repairing leaking and opened valleys.

If a leak is difficult to find enlist a helper and go up on the roof with a garden hose. In other cases shingles are overlapped to make a valley and water from harsh rains can find a way under the shingles. If you find that this is a problem then you will need to repair your roof valley before anything serious happens such as plaster loss or even major water damage. You can patch small holes with the same type of sheet metal valley is made of.

This video shows the traditional and best way to repair a lead valley on a roof. This method of lead valley repair is proven to not only be fast and safe wit. Take measurements of your roof flashing most flashing is 14 inches wide but yours may vary. A lead valley is a particularly difficult item to dispose of as lead is toxic and so a repair may involve simply patching up your lead roofing.

Isolate areas when you run the hose. Most valleys use either aluminum or copper. Clean surface of valley with wire brush. Move to the highest end of the valley and work your way down cleaning.

Clear any debris in the roof valley and surrounding area.