How To Fix Roof Leak Around Chimney

Apply a generous amount of roofing cement behind the flashing.

How to fix roof leak around chimney.

How to fix a leaky roof by a chimney. If none is found the leak must be confined to the mortar joints bricks or mud cap. Inspect the flashing at the top sides and bottom edge of the 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.

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. How to repair roof flashing. Use masonry nails or screws to reattach the flashing tight against the chimney. To repair chimney flashing leaks.

Small holes or corroded spots in flashing can be easily repaired. If portions are missing or bent. 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. Extend the ladder up so the top rung is at least 3 feet above the edge of.

Position an extension ladder securely against the edge of the roof. First roughen the area around the hole with a wire brush or sandpaper and then clean it.