Stops water leaks and prevents chimney crown cracks. 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.

A long lasting, exterior waterproof membrane for chimney crowns, ChimneyRx Trowelable Chimney Crown Repair is an elastomeric coating that forms a flexible, waterproof membrane over the surface of the crown. It is specifically formulated to repair and protect chimney crowns from water intrusion.