ChimneyRx Chimney Products

ChimneyRx Brushable Crown Repair

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Product Datasheets

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.

 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.

Long Lasting Chimney Crown Repairs

Use this product wherever a long-lasting, exterior, waterproof membrane is needed, such as masonry chimney crowns, chimney corbels, tops of masonry, or parapet walls. This product can also be used on masonry window sills where bricks are laid in a soldier pattern at the base of the window. ChimneyRx® Brushable Crown Repair can be custom-colored with small amounts of standard mortar dye.

Fast Drying

The major benefits of ChimneyRx® Brushable Crown Repair are its unique, water-based 'quick dry' technology and its great coverage rate. The product completely cures in 2-4 hours depending on the temperature and humidity. The coverage rate is 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

  • Details
  • Technical Info
Size Approx. Weight Product Code UPC #
1 gal 11 lbs 300401 709057920018
2 gal 21 lbs 300015 709057920025

  • Coverage Rate : 40 sq. ft. per gallon
  • Available Sizes: 1 or 2 gallon recycleable containers
  • Application Temperatures: Minimum 45 ° F
  • Application Method: Brush
  • Dry Time: 2-4 hours
  • Cleanup: Soap and water

Chimney Rx products are available nationwide at participating Do it Best stores. Find a Do It Best Near You

Tips For Maintaining Your Chimney

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