Leaking Roof Chimney Flashing

Apply a generous amount of roofing cement behind the flashing.

Leaking roof chimney flashing.

Is it a roofing problem or is the leak caused by deteriorated brick or mortar or faulty counter flashing embedded in the masonry. Position an extension ladder securely against the edge of the roof. Inspect the flashing at the top sides and bottom edge of the chimney. To repair loose roof chimney flashing.

Any such leaks can be quite frustrating to diagnose. Use masonry nails or screws to reattach the flashing tight. Renew flashing seals by chipping out the old mortar and caulking along the edges of the flashing. Clean any leaves or other debris out of the gap between the flashing and chimney.

How to fix a leaky roof by a chimney 1. 4 chimney flashing causes leaks the flashing is what keeps water from going into the place where the brick structure comes through the roof or otherwise comes close to the roof there s a fairly large gap between the bricks and the roof and water will pour through that hole if it s not sealed up. Chimney flashing can allow roof leaks in the transition area between the chimney and the roofing materials. If portions are missing or bent contact a.

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.