Shingle Roof Valley Leak Repair

If your roof valley leak is an old repair gone bad consider having a professional repair the leak properly.

Shingle roof valley leak repair.

Replace cracked broken or rotted shingles with the new ones you purchased. A flashing is a transitional roofing material that connects the roof material to some other building material or to another part of the roof. And damaged flashing is behind most roof leaks. In either situation the leaking roof valley can be fixed by removing affected shingles and structural elements and upgrading your roof s flashing.

Remove 8 inches of shingles at each side of the valley with a 16 inch nail bar. These instructions should now allow you to repair a leaking roof valley on a roof with woven shingles. 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. A roof valley can be formed when two opposing sloped roof planes meet.

This repair process is also the same for composition and tile roofs. Start at the upper row of shingles at the upper end of the valley. Leaking valleys are some of the most common type of roofing leaks a home can have. The sealants and roof pitch used can crack and chip away over time.

Some shingles and flashing may need to be removed and replaced but the roof can usually be saved with a good quality repair. This is one type of leak where experience can give a big advantage in locating and fixing the problem. Use two roofing nails per shingle.