Repair Leaking Lead Valley Roof

Renew flashing seals by chipping out the old mortar and caulking along the edges of the flashing.

Repair leaking lead valley roof.

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. And damaged flashing is behind most roof leaks. Start low soaking the area just above where the leak appears in the house. Isolate areas when you run the hose.

Most commonly this is the technique that is used to fix a leaking bay roof window or flat lead roof but it can also be used in almost all leaks where a split or hole in the lead is the culprit. These instructions should now allow you to repair a leaking roof valley on a roof with woven shingles. 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.

In either situation the leaking roof valley can be fixed by removing affected shingles and structural elements and upgrading your roof s 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. Use two roofing nails per shingle. For example soak the downhill side of a chimney first then each side then the top on both sides.

Diy and trade repair this video on lead roof repair shows a long lasting repair for a lead roof. Replace cracked broken or rotted shingles with the new ones you purchased. Use special masonry caulk to seal the joints between the flashing and the chimney. A properly flashed roof valley should have an ice and water shield installed with roofing felt being properly secured over the ice and water.

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.