How To Repair A Roof Leak Around A Chimney
The mud cap or the mortared area around the top of the chimney is often a culprit.
How to repair a roof leak around a chimney. To repair loose roof chimney flashing. Position an extension ladder securely against the edge of the roof. If portions are missing or bent. How to fix a leaky roof by a chimney.
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. Use special masonry caulk to seal the joints between the flashing and the chimney. Apply roof cement to any gaps or cracks.
Diy tips for how to find repair chimney leaks. Use a chisel to remove any hardened roofing cement. Attach loose flashing securely to the chimney with masonry nails. Use masonry nails or screws to reattach the flashing tight against the chimney.
Apply a generous amount of roofing cement behind the flashing. Inspect the flashing for 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.