How To Repair Leaky Roof Flashing

To prevent leaks at the flashing inspect it every spring.

How to repair leaky roof flashing.

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 often water runs to openings in the vapor barrier such as at ceiling light fixtures. Some roof leaks are tough to locate. Expert advice on how to repair roof flashing and chimney flashing prevent ice dams and solve other roof flashing problems. If you see thin spots or gaps along a flashing joint spread roof cement over the entire joint applying it generously with a.

When a roof leaks the problem is often due to leaks in and around the metal roof flashing that protects roof edges valleys and the junctions between roofing and obstructions such as chimneys dormers and vent pipes. Sometimes the water shows up at a ceiling spot distant from the leak. Metal flashing is used to seal out water around the chimney at vent pipes along the valleys where two roof pitches meet and sometimes over exposed windows. Most flashing is composed of aluminum or galvanized metal.