![]() Leaks through the seams without proper installationīitumen roof coating costs $1.00 to $2.50 per square foot installed for one new layer of hot roofing tar with a mineral surface cap sheet. Removing the old layer adds $0.50 to $2.00 per square foot for replacements. Installing EPDM sheeting costs $3 to $11 per square foot. Needs outside temperatures above 55☏ to cure Liquid-rubber types include EPDM and elastomeric-coating blends. This thick coating works on many roof materials and often requires only one coat. Liquid-rubber roof coating costs $1.50 to $2.50 per square foot installed. Needs outside temperatures above 50☏ to cure The most popular acrylic-based coatings are blends that include elastomeric rubbers, silicone, or urethane. Polyurethane comes in blends of acrylic-urethane with or without elastomeric additives.Īcrylic roof coating costs $0.50 to $3.00 per square foot installed, depending on the sealant type and number of coats. This coating lasts 30 to 50 years on average, insulates well, and is compatible with many roofing materials. Polyurethane roof coating costs $1.50 to $4.00 per square foot installed. Polyurethane (polyurea) roof coating cost ![]() Resists leaks from ponding water on flat roofs Contractors charge 20%+ more for complex applications on sloped roofs. Silicone roof coating is highly durable and waterproof but attracts dirt and becomes slippery when wet. ![]() Silicone roof coating prices are $1.50 to $4.50 per square foot installed. Contractor coating and sealing a metal roof Silicone roof coating prices ![]()
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