Gas appliances output a lot of water vapor and if it s not venting properly it will condens.
Fixing a roof leak around chimney.
The roof shingles around a chimney can also have problems although shingles are one of the least common causes for a chimney leak.
Roof flashing around chimneys can separate from the brick allowing rainwater to leak inside the house.
If the leak does show up in this area have an expert check and repair the shingles.
Start low soaking the area just above where the leak appears in the house.
If a leak is difficult to find enlist a helper and go up on the roof with a garden hose.
Is your roof leaking.
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.
How to fix a roof leak around the chimney.
If you feel safe and confident about walking on your roof climb up and inspect the crown.
6 chimney leaks that aren t chimney leaks.
Isolate areas when you run the hose.
Otherwise proceed with the fixing the leak.
It could be your chimney that s the issue.
If portions are missing or bent contact a roofing contractor.
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.
If it s sound caulk cracks and gaps with polyurethane.
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.
To repair loose roof chimney flashing.
Leaks around fireplace chimneys are common and can be hard to identify the source.
Inspect the flashing at the top sides and bottom edge of the chimney.
Turbo poly seal makes it easy to seal between the bricks and it makes a perf.
For example soak the downhill side of a chimney first then each side then the top on both sides.
For example your roof might have a leak through the attic vent or roof shingle at the top.