Cracked crown at the top
I Like To Exterior Services
The concrete crown sheds water off the top of the masonry. Once cracked, water enters the chimney structure and freeze-thaw takes it apart from inside.
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Related
- No cap on the flue
- Staining on the ceiling around the chimney
- Unlined flue on an older chimney
- Creosote build-up in a wood-burning flue
- Carbon monoxide alarm sounding
- Spalling brick on the exterior stack
- Gas appliance venting into an old flue
Back to Chimney.
Written by Jaylan Jones. I Like To Exterior Services earns a referral fee when a call connects to a contractor. See our business-model disclosure.