ChimneyRx Brushable Crown Repair is a fast setting elastomeric coating that forms a flexible waterproof membrane. It’s specifically formulated to repair and protect chimney crowns from water intrusion.
ChimneyRx Brushable Crown Repair is a masonry chimney crown repair product that is easy to apply with a 3″ or 4″ paint brush. It’s very durable and requires no mixing or special bonding agents. The compounds are all solvent-free and will not harm the environment.
It completely cures in 2-4 hours depending on the temperature and humidity and covers approximately 40 square feet per gallon.
WARNING: This product can expose you to chemicals including quartz and benzophenone, which are known to the State of California to cause cancer. For more information, go to 
