Use a chisel to remove any hardened roofing cement.
How to fix roof leak around chimney.
Inspect the flashing for gaps or cracks.
Position an extension ladder securely against the edge of the roof.
How to fix a leaky roof by a chimney.
First roughen the area around the hole with a wire brush or sandpaper and then clean it.
Use masonry nails or screws to reattach the flashing tight against the chimney.
If portions are missing or bent.
If none is found the leak must be confined to the mortar joints bricks or mud cap.
How to repair roof flashing.
Extend the ladder up so the top rung is at least 3 feet above the edge of.
Inspect the flashing at the top sides and bottom edge of 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.
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.
Small holes or corroded spots in flashing can be easily repaired.
Cover any exposed nail or screw heads with roofing cement.