How To Repair A Roof Leak Around A Chimney

Apply a generous amount of roofing cement behind the flashing.

How to repair a roof leak around a chimney.

Extend the ladder up so the top rung is at least 3 feet above the edge of. Use special masonry caulk to seal the joints between the flashing and the chimney. Inspect the flashing at the top sides and bottom edge of the chimney. Apply roof cement to any gaps or cracks.

To repair chimney flashing leaks. Use masonry nails or screws to reattach the flashing tight against the chimney. The mud cap or the mortared area around the top of the chimney is often a culprit. Use a chisel to remove any hardened roofing cement.

Position an extension ladder securely against the edge of the roof. Clean any leaves or other debris out of the gap between the flashing and chimney. Seal the seam between the cap and step flashing with urethane roofing cement or silicone caulking compound as shown at right. How to fix a leaky roof by a chimney.

To repair loose roof chimney flashing. Diy tips for how to find repair chimney leaks. Attach loose flashing securely to the chimney with masonry nails. Renew flashing seals by chipping out the old mortar and caulking along the edges of the flashing.