Chimney Crown Sealer is a flexible, waterproof coating that is applied to the tops of chimney crowns to protect chimneys from water damage. This flexible membrane is easy to apply with a paint brush and will last for years. It repairs both mortar and concrete crowns. This durable, elastomeric coating can be used to repair minor cracks in chimney crowns to prevent chimney leaks. A half gallon container will cover approximately 20 square feet, assuming 2 coats.

SaverSystems, Concrete, Light Gray Fixes Cracked Chimney Brushable Industrial Sealant, 5.5 lbs

• Seals and waterproofs chimney crowns - Stop water leaks fast with this elastomeric sealer designed specifically for chimneys
• Permanently flexible sealant - Won't crack or chip over time, stays flexible
• Long-lasting sealant helps prevent chimney leaks - Lasts for years
• Easy to apply with a paint brush - Simply brush 2 coats of product on chimney crowns for superior protection
• Great coverage - Covers 20 sq. ft. per half gallon container