How To Fix Roof Leak Around Chimney

Extend the ladder up so the top rung is at least 3 feet above the edge of.

How to fix roof leak around chimney.

If none is found the leak must be confined to the mortar joints bricks or mud cap. How to fix a leaky roof by a chimney. Small holes or corroded spots in flashing can be easily repaired. 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.

Apply a generous amount of roofing cement behind the flashing. 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. Inspect the flashing at the top sides and bottom edge of the chimney. How to repair roof flashing.

Use a chisel to remove any hardened roofing cement. 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. First roughen the area around the hole with a wire brush or sandpaper and then clean it. Cover any exposed nail or screw heads with roofing cement.

Position an extension ladder securely against the edge of the roof. Inspect the flashing for gaps or cracks.