Roof Valley Leaking

In either situation the leaking roof valley can be fixed by removing affected shingles and structural elements and upgrading your roof s flashing.

Roof valley leaking.

Some roof leaks are tough to locate. Often water runs to openings in the vapor barrier such as at ceiling light fixtures. Roof valley leaks roof valleys are created wherever two roof surfaces intersect to form a shallow v shape. If your ceiling has a plastic vapor barrier between the drywall and the attic insulation push the insulation aside and look for flow stains on the plastic.

Most roofers that install shingles will not have rubber membranes with them to do such areas. Valleys can be especially troublesome because they carry a lot of water during heavy rain. Valley areas are prone to leak due to the lack of using proper materials. The right thing to do here is to pull a valley basically pull a valley apart and rebuild it.

And damaged flashing is behind most roof leaks. And you can tar it but it s a real stop gap band aid like measure. 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. Most shingle installers will use a thick 30 lb paper as a base for the valley.

Although professional roofers take great care to properly install roof valleys they can be susceptible to roof leaks. Many roof valley leaks are caused by roofing nails that have been poorly placed and are acting as a dripper feeding water through from the roof above. Sometimes the water shows up at a ceiling spot distant from the leak. Roof valley leaks valleys in your roof are locations where two roof planes intersect and form a v shaped valley that runs down a slope of your roof.

The reason why the roof valley is such a sensitive area has to do with all the rainwater and or melting snow that accumulates and flows through the valley on its way into the gutters. 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 valleys carry a lot of water.