Shingle Roof Valley Leak Repair

Once the roof valley has begun to leak you will need to cover the valley with flashing in order to prevent a repeat of the problem.

Shingle roof valley leak repair.

They can also be some of the most difficult leaks to track down and repair. This repair process is also the same for composition and tile roofs. Remove 8 inches of shingles at each side of the valley with a 16 inch nail bar. Some shingles and flashing may need to be removed and replaced but the roof can usually be saved with a good quality repair.

Start at the upper row of shingles at the upper end of the valley. In either situation the leaking roof valley can be fixed by removing affected shingles and structural elements and upgrading your roof s flashing. Replace cracked broken or rotted shingles with the new ones you purchased. The sealants and roof pitch used can crack and chip away over time.

Leaking valleys are some of the most common type of roofing leaks a home can have. And damaged flashing is behind most roof leaks. If your roof valley leak is an old repair gone bad consider having a professional repair the leak properly. A roof valley can be formed when two opposing sloped roof planes meet.

In order to lay the flashing the shingles on the roof will have to be removed. These instructions should now allow you to repair a leaking roof valley on a roof with woven shingles. Use two roofing nails per shingle.