Repairing A Leaking Roof Valley

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.

Repairing a leaking roof valley.

For example soak the downhill side of a chimney first then each side then the top on both sides. 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. Using different metal to patch valley will cause corrosion. A properly flashed roof valley should have an ice and water shield installed with roofing felt being properly secured over the ice and water.

Follow these three preparatory steps to get ready to fix the valley leak. The right thing to do here is to pull a valley basically pull a valley apart and rebuild it. Take measurements of your roof flashing most flashing is 14 inches wide but yours may vary. T o repair an open valley.

These instructions should now allow you to repair a leaking roof valley on a roof with woven shingles. Use two roofing nails per shingle. This repair process is also the same for composition and tile roofs. 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. Isolate areas when you run the hose. Clear any debris in the roof valley and surrounding area. If a leak is difficult to find enlist a helper and go up on the roof with a garden hose.

Replace cracked broken or rotted shingles with the new ones you purchased. Move to the highest end of the valley and work your way down cleaning. Clean surface of valley with wire brush. 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.

Most valleys use either aluminum or copper.