Shingle Roof Valley Leak Repair

Leaking valleys are some of the most common type of roofing leaks a home can have.

Shingle roof valley leak repair.

Insert the bar under a shingle and pry upward at a. 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. A roof valley can be formed when two opposing sloped roof planes meet.

Start at the upper row of shingles at the upper end of the valley. In order to lay the flashing the shingles on the roof will have to be removed. Use two roofing nails per shingle. 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. This is one type of leak where experience can give a big advantage in locating and fixing the problem. These instructions should now allow you to repair a leaking roof valley on a roof with woven shingles. A flashing is a transitional roofing material that connects the roof material to some other building material or to another part of the roof.

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. They can also be some of the most difficult leaks to track down and repair. If your roof valley leak is an old repair gone bad consider having a professional repair the leak properly.