Repairing A Leaking Roof Valley

You can patch small holes with the same type of sheet metal valley is made of.

Repairing a leaking roof valley.

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

The right thing to do here is to pull a valley basically pull a valley apart and rebuild it. Move to the highest end of the valley and work your way down cleaning. Use two roofing nails per shingle. Take measurements of your roof flashing most flashing is 14 inches wide but yours may vary.

Clean surface of valley with wire brush. Follow these three preparatory steps to get ready to fix the valley leak. Inspect valley for holes all along joint. 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.

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. Most valleys use either aluminum or copper. 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. Clear any debris in the roof valley and surrounding area.

This repair process is also the same for composition and tile roofs. These instructions should now allow you to repair a leaking roof valley on a roof with woven shingles. Start low soaking the area just above where the leak appears in the house. T o repair an open valley.

Replace cracked broken or rotted shingles with the new ones you purchased.