Chimney Flaunching 

Flaunching Repair 

The Flaunching is the concrete like surface at the top of your chimney. Its job is to shed water away from the flue and also keep water from entering the chimney chase. Cracks or missing pieces in the mortar crown can lead to extensive water damage in your chimney.  Flaunching may be repaired with traditional masonry products or an elastomeric flexible product called CrownSeal.