Cover any exposed nail or screw heads with roofing cement.
How to fix roof leak around chimney.
Inspect the flashing for gaps or cracks.
Apply a generous amount of roofing cement behind the flashing.
Inspect the flashing at the top sides and bottom edge of the chimney.
Use masonry nails or screws to reattach the flashing tight against the chimney.
How to repair roof flashing.
To repair chimney flashing leaks.
If none is found the leak must be confined to the mortar joints bricks or mud cap.
Plug pinholes with roofing cement and patch holes up to about 3 4 inch in diameter with a patch from the same material as the flashing.
How to fix a leaky roof by a chimney.
Small holes or corroded spots in flashing can be easily repaired.
Position an extension ladder securely against the edge of the roof.
Extend the ladder up so the top rung is at least 3 feet above the edge of.
If portions are missing or bent.
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.