Shingle Roof Valley Leak Repair

Use two roofing nails per shingle.

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. They can also be some of the most difficult leaks to track down and repair. In order to lay the flashing the shingles on the roof will have to be removed. A flashing is a transitional roofing material that connects the roof material to some other building material or to another part of the roof.

Replace cracked broken or rotted shingles with the new ones you purchased. 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. This repair process is also the same for composition and tile roofs.

A roof valley can be formed when two opposing sloped roof planes meet. Leaking valleys are some of the most common type of roofing leaks a home can have. Start at the upper row of shingles at the upper end of the valley. This is one type of leak where experience can give a big advantage in locating and fixing the problem.

If your roof valley leak is an old repair gone bad consider having a professional repair the leak properly. Insert the bar under a shingle and pry upward at a. And damaged flashing is behind most roof leaks.