How To Repair A Roof Leak Around A Chimney

How to fix a roof leak around the chimney chimney cap a new chimney cap may keep water from entering the top of the chimney and help keep critters out flexible roof sealant apply flexible roof sealant black jack roof patch rubberized roof cement from a can or tube to fill holes gaps flashing and loose shingles around the chimney.

How to repair a roof leak around a chimney.

Apply a generous amount of roofing cement behind the flashing. To do this ask an assistant to observe the area of the ceiling near the chimney and run water along the sealed gaps of the. Inspect the flashing for gaps or cracks. Always run the water downhill.

If there is no leak on the front or low side of the chimney move the water one shingle at a time up along the side of the chimney. Clean any leaves or other debris out of the gap between the flashing and chimney. Water test the roof at the area of the chimney using a garden hose. Use masonry nails or screws to reattach the flashing tight against the chimney.

First roughen the area around the hole with a wire brush or sandpaper and then clean it. To repair chimney flashing leaks. Apply roof cement to any gaps or cracks. Pause at least one minute at each shingle as you move up the roof shingles on that side of the chimney but don t let the water get behind the chimney yet.

How to repair roof flashing. Use a chisel to remove any hardened roofing cement.