How To Fix Roof Leak Around Chimney

Cover any exposed nail or screw heads with roofing cement.

How to fix roof leak around 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. First roughen the area around the hole with a wire brush or sandpaper and then clean it. Use a chisel to remove any hardened roofing cement. 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.

How to fix a leaky roof by a chimney. To repair chimney flashing leaks. How to repair roof flashing. 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. If none is found the leak must be confined to the mortar joints bricks or mud cap. 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.

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.