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.

These instructions should now allow you to repair a leaking roof valley on a roof with woven shingles. Replace cracked broken or rotted shingles with the new ones you purchased. In either situation the leaking roof valley can be fixed by removing affected shingles and structural elements and upgrading your roof s flashing. And damaged flashing is behind most roof leaks.

Use two roofing nails per shingle. The sealants and roof pitch used can crack and chip away over time. Start at the upper row of shingles at the upper end of the valley. If your roof valley leak is an old repair gone bad consider having a professional repair the leak properly.

This repair process is also the same for composition and tile roofs. 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. A flashing is a transitional roofing material that connects the roof material to some other building material or to another part of the roof.

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