To repair leaks caused by metal flashing around chimneys and dormers simply reseal joints using a caulk gun filled with roofing cement.
How to fix leaky roof flashing.
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.
To prevent leaks at the flashing inspect it every spring.
Sometimes the water shows up at a ceiling spot distant from the leak.
How to repair leaky metal roof flashing written by tim bossie on nov 12 2010.
Most flashing is composed of aluminum or galvanized metal.
If you see thin spots or gaps along a flashing joint spread roof cement over the entire joint applying it generously with a.
Check plumbing vent boots and roof vents if water is entering from that area to cause the leaking roof.
Some roof leaks are tough to locate.
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This means that roof flashing repair can typically be cheap and easy to do although there are some mistakes to avoid.
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.
If your roof is at the point where you need to repair or replace.
Expert advice on how to repair roof flashing and chimney flashing prevent ice dams and solve other roof flashing problems.
Roof flashing is sheet metal installed at any breaks joints or edges on your roof to prevent leaks.