Repair Leaking Lead Valley Roof

And damaged flashing is behind most roof leaks.

Repair leaking lead valley roof.

The use of heat is required. A properly flashed roof valley should have an ice and water shield installed with roofing felt being properly secured over the ice and water. These instructions should now allow you to repair a leaking roof valley on a roof with woven shingles. Replace cracked broken or rotted shingles with the new ones you purchased.

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. For example soak the downhill side of a chimney first then each side then the top on both sides. Use special masonry caulk to seal the joints between the flashing and the chimney. 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.

Isolate areas when you run the hose. This repair process is also the same for composition and tile roofs. Start low soaking the area just above where the leak appears in the house. In either situation the leaking roof valley can be fixed by removing affected shingles and structural elements and upgrading your roof s flashing.

Use two roofing nails per shingle. 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. Renew flashing seals by chipping out the old mortar and caulking along the edges of the flashing. A flashing is a transitional roofing material that connects the roof material to some other building material or to another part of the roof.

Seal the seam between the cap and step flashing with urethane roofing cement or silicone caulking compound as shown at right.