When cured, the product will perform just fine with the normal surface temperatures associated with any properly formed chimney crown. Misting with water before application is an integral part of the application procedure. This helps cool crown surface temperatures for application and improves material penetration making the crown more lift resistant. ChimneyRx Brushable Crown Repair does not offer typical insulating characteristics instead it uses an elastomeric coating to form a flexible waterproof membrane.

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