Leaking chimney flashing
Why it happens here
Chimneys take the brunt of the weather in Winter Creek. The freeze-thaw cycles up near the Angeles National Forest cause sealants to crack and flashing to pull away from the masonry. This is the number one source of leaks we see.
Our approach
We rebuild chimney flashing with new counter flashing and step flashing, properly embedded in the mortar and sealed with polyurethane. We use copper or lead for durability.