Ventilation is Key to Roof Cooling

Heat is energy or the flow of energy. On a cloudless day, it arrives from the sun at a rate of more than a kilowatt per square meter. Some of this energy is reflected but even accounting for reflectivity (or albedo) a substantial fraction is absorbed by the roof as heat.

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Asphalt Roofing Manufacturers Association
529 14th Street, NW
Washington, DC 20045
Tel: (202) 591-2450
Fax: (202) 591-2445

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