How To Repair A Roof Leak Around A Chimney

Renew flashing seals by chipping out the old mortar and caulking along the edges of the flashing.

How to repair a roof leak around a chimney.

Attach loose flashing securely to the chimney with masonry nails. The mud cap or the mortared area around the top of the chimney is often a culprit. If portions are missing or bent. To repair loose roof chimney flashing.

Cracked or loose mortar can allow. Apply roof cement to any gaps or cracks. Extend the ladder up so the top rung is at least 3 feet above the edge of. Inspect the flashing at the top sides and bottom edge of the chimney.

Diy tips for how to find repair chimney leaks. Position an extension ladder securely against the edge of the roof. How to fix a leaky roof by a chimney. Clean any leaves or other debris out of the gap between the flashing and chimney.

Use masonry nails or screws to reattach the flashing tight against the chimney. Inspect the flashing for gaps or cracks. Seal the seam between the cap and step flashing with urethane roofing cement or silicone caulking compound as shown at right. Use a chisel to remove any hardened roofing cement.