If none is found the leak must be confined to the mortar joints bricks or mud cap.
How to fix roof leak around chimney.
If portions are missing or bent.
Cover any exposed nail or screw heads with roofing cement.
First roughen the area around the hole with a wire brush or sandpaper and then clean it.
Extend the ladder up so the top rung is at least 3 feet above the edge of.
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.
Use a chisel to remove any hardened roofing cement.
Position an extension ladder securely against the edge of the roof.
To repair chimney flashing leaks.
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.
Apply a generous amount of roofing cement behind the flashing.
Inspect the flashing at the top sides and bottom edge of the chimney.
How to repair roof flashing.
How to fix a leaky roof by a chimney.
Starting at the front and then working the sides and finally the back section run water around the chimney while the observer keeps watching for a leak.