Fix Roof Valley Leak

The best way to find and stop the roof leak is to start over and roof the valley the right way.

Fix roof valley leak. Although professional roofers take great care to properly install roof valleys they can be susceptible to roof leaks. In these circumstances it may be possible to just leave the existing valley base in place and replace only the cement. And if they put a second layer of shingles on they brought it up the valley but they didn t replace the valley it s probably leaking and cracking and split. Start low soaking the area just above where the leak appears in the house.

For example soak the downhill side of a chimney first then each side then the top on both sides. If a leak is difficult to find enlist a helper and go up on the roof with a garden hose. And you can tar it but it s a real stop gap band aid like measure. Then installed a layer of gaf storm guard underlayment and 20 valley flashing.

A flashing is a transitional roofing material that connects the roof material to some other building material or to another part of the roof. Roof valley repairs there are occasions when a roof valley is in good condition but the cement holding the tiles in place has washed out or crumbled. The right thing to do here is to pull a valley basically pull a valley apart and rebuild it. 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.

If your roof valley leak is an old repair gone bad consider having a professional repair the leak properly. And that s what we ve done here montgomery s old cloverdale neighborhood. Repairing a metal roof seam with turbo poly seal is simple and it is a do it yourself p. In either situation the leaking roof valley can be fixed by removing affected shingles and structural elements and upgrading your roof s flashing.

Some shingles and flashing may need to be removed and replaced but the roof can usually be saved with a good quality repair. Roof valleys are created wherever two roof surfaces intersect to form a shallow v shape. And damaged flashing is behind most roof leaks. We removed all old roofing material down to the original wood deck.