Fixing A Roof Leak Around Chimney

If portions are missing or bent contact a roofing contractor.

Fixing a roof leak around chimney.

How to fix a roof leak around the chimney. Chimney roof leaks are usually caused by gaps or cracks between the metal flashing used to join the chimney to the roof and the chimney. Many residential roofers lack the sheet metal expertise to handle reflashing a chimney. Leaks around fireplace chimneys are common and can be hard to identify the source.

To repair loose roof chimney flashing. Clean any leaves or other debris out of the gap between the flashing and chimney. If it s sound caulk cracks and gaps with polyurethane. Start low soaking the area just above where the leak appears in the house.

Chimney cap a new chimney cap may keep water from entering the top of the chimney and help keep critters out flexible roof sealant apply flexible roof sealant black jack roof patch rubberized roof cement from a can or tube to fill holes gaps flashing and loose shingles around the chimney. Sometimes a leak starts in a different place but finds its way to the chimney and then visibly enters the inside of a room at the point of the chimney. Is your roof leaking. If you feel safe and confident about walking on your roof climb up and inspect the crown.

For example soak the downhill side of a chimney first then each side then the top on both sides. It could be your chimney that s the issue. Otherwise proceed with the fixing the leak. The roof shingles around a chimney can also have problems although shingles are one of the least common causes for a chimney leak.

Otherwise hire a chimney builder search online or for chimney builders and repair in your yellow pages or a chimney sweep chimney cleaning certified by the chimney safety institute. If the leak does show up in this area have an expert check and repair the shingles. Gas appliances output a lot of water vapor and if it s not venting properly it will condens. Roof flashing around chimneys can separate from the brick allowing rainwater to leak inside the house.

Isolate areas when you run the hose. Turbo poly seal makes it easy to seal between the bricks and it makes a perf. Inspect the flashing at the top sides and bottom edge of the chimney.