CrownSeal Waterproof Coating - 2 gal.

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CrownSeal is a premixed, trowel grade elastomeric coating that forms a flexible waterproof membrane to protect chimney crowns and more. It dries in about 6 hours and cures in about 24 hours to a natural concrete/mortar appearance. Use on chimney corbels, the tops of masonry and parapet walls, or wherever a flexible waterproof membrane is needed. It can also be used as a bonding mortar to replace badly spalled brick units, or for parging over brick faces that may have spalled, if remaining brick is solid. CrownSeal can be easily colored using standard mortar dye. It remains permanently flexible and carries a 10 year warranty. Available in 2 and 5 gallon pails. One gallon covers about 14-18 sq. ft. per gallon at 1/8" thickness, 7-9 sq. ft. at 1/4" thickness

Additional Information:

This product cannot be painted over because it will not allow the product to breath/be flexible. Mortar dye may be added prior to application, this should be available for purchase at a brick yard, online or at a home improvement or hardware store.

California Proposition 65 Warning SymbolWARNING: This product can expose you to chemicals including quartz, which is known to the State of California to cause cancerFor more information go to

CrownSeal can be used wherever a long-lasting exterior waterproof membrane is needed, such as chimney crowns, chimney corbels, the tops of masonry walls, including parapets, and stucco repair. It is a proprietary elastomeric coating that is specifically formulated to repair and protect chimney crowns from water intrusion. CrownSeal can also be used for a variety of horizontal and vertical exterior waterproofing applications.

  • Use as a bonding mortar
  • Dries to a natural concrete/mortar appearance
  • Requires no mixing or special bonding agents
10.00 (in)
10.00 (in)
10.00 (in)
Country Of Origin:
United States
Product Type:
Chimney Maintenance
chimneysaver-crownseal-datasheet-300023|pdf|Product Data Sheet
_Base Price:
Return Policy:
Not Returnable
Left Overlay Image:
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