Roof valleys carry a lot of water.
Fix roof valley leak.
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.
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.
We removed all old roofing material down to the original wood deck.
If your roof valley leak is an old repair gone bad consider having a professional repair the leak properly.
Isolate areas when you run the hose.
For example soak the downhill side of a chimney first then each side then the top on both sides.
The right thing to do here is to pull a valley basically pull a valley apart and rebuild it.
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 best way to find and stop the roof leak is to start over and roof the valley the right way.
If a leak is difficult to find enlist a helper and go up on the roof with a garden hose.
Start low soaking the area just above where the leak appears in the house.
Repairing a metal roof seam with turbo poly seal is simple and it is a do it yourself p.
Roof valleys are created wherever two roof surfaces intersect to form a shallow v shape.
Although professional roofers take great care to properly install roof valleys they can be susceptible to roof leaks.
And you can tar it but it s a real stop gap band aid like measure.
Some shingles and flashing may need to be removed and replaced but the roof can usually be saved with a good quality repair.
Then installed a layer of gaf storm guard underlayment and 20 valley flashing.
And that s what we ve done here montgomery s old cloverdale neighborhood.