Repairing A Leaking Roof Valley

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.

Repairing a leaking roof valley.

The right thing to do here is to pull a valley basically pull a valley apart and rebuild it. If a leak is difficult to find enlist a helper and go up on the roof with a garden hose. T o repair an open valley. Use two roofing nails per shingle.

This repair process is also the same for composition and tile roofs. Inspect valley for holes all along joint. And you can tar it but it s a real stop gap band aid like measure. 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.

Clean surface of valley with wire brush. Most valleys use either aluminum or copper. 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. Clear any debris in the roof valley and surrounding area.

Replace cracked broken or rotted shingles with the new ones you purchased. Using different metal to patch valley will cause corrosion. 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.

Start low soaking the area just above where the leak appears in the house. Move to the highest end of the valley and work your way down cleaning. You can patch small holes with the same type of sheet metal valley is made of. 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.

These instructions should now allow you to repair a leaking roof valley on a roof with woven shingles.