One way to verify that the culprit is the chimney flashing is by running a low pressure hose around the chimney and roof intersection and check for water inside.
Roof leak at chimney flashing.
Some roof leaks are tough to locate.
This can be done with two people one operating the hose and the other in the attic with both people using cell phones or walkie talkies.
I had a roofing co.
Rotten or missing trim or siding can allow water to leak behind flashing and into your roof.
Come out and give me a esitmate of 1064 00 to repair the flashing replace the wood on both sides of the chimney paint and replace the top of the chimney aluminum top part.
Clean any leaves or other debris out of the gap between the flashing and chimney.
The flashing is what keeps water from going into the place where the brick structure comes through the roof or otherwise comes close to the roof.
Dormer leaks can be caused from a number of issues.
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.
Sometimes the water shows up at a ceiling spot distant from the leak.
Worn out flashing or missing sealant can also cause roof leaks around dormers.
If portions are missing or bent contact a roofing contractor.
A roof leak at the edge of a dormer can allow a lot of water to enter your home.
Roof flashing around chimneys can separate from the brick allowing rainwater to leak inside the house.
All it took was a chimney liner and we solved the problem.
How to detect a chimney flashing leak.
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.
Inspect the flashing at the top sides and bottom edge of the chimney.
Otherwise proceed with the fixing the leak.
Expert advice on how to repair roof flashing and chimney flashing prevent ice dams and solve other roof flashing problems.