American Coatings Association


Cool Roofs

Cool roofs — rooftops coated with certain reflective coatings — help to counter the “urban heat island” effect by reflecting the sun’s hot rays and absorbing 80% less heat than traditional dark-colored roofs, cooling rooftops and helping to lower indoor temperatures by up to 30% on hot days.

Source: NYC °CoolRoofs

Cool roof coatings not only lower buildings’ energy consumption and costs, but also overall temperature and stress on the power grid. This effort could help reduce New York City’s greenhouse gas emissions 30% by 2030.

Source: NYC °CoolRoofs

According to the National Resources Defense Council, ‘smart roofs’ employing cool coatings technology substantially reduce energy costs and curb carbon pollution.

Source: Natural Resources Defense Council, Looking Up: How Green Roofs and Cool Roofs Can Reduce Energy Use, Address Climate Change, and Protect Water Resources in Southern California, June 2012, p. 3

The U.S. Department of Energy (DOE) actively touts cool roof coatings as a cost-effective and relatively non-intrusive means of improving the energy efficiency of existing buildings, which currently account for more than 20 billion sq. ft. of commercial roofing space available for retrofit in the United States.

Source: U.S. Department of Energy, Cool Roof Fact Sheet

DOE estimates that replacing or resurfacing conventional roofing materials with improved reflective elastomeric roof coatings can reduce a commercial building’s annual air conditioning energy use by up to 25%.

Source: U.S. Department of Energy, Cool Roof Fact Sheet

Roofs with cool roof coatings can be as much as 100° F cooler than roofs covered with traditional, dark-colored roofing materials, demonstrating energy savings of as much as 10-70%, according to EPA.

Source: U.S. Environmental Protection Agency, Reducing Urban Heat Islands: Compendium of Strategies, Cool Roofs, pp. 1, 8.

Architectural Aerospace Coatings

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