Monday, May 24, 2010
Philadelphia Adopts Cool-Roof Law - Energy-Efficient Construction, Legislation, Products, Roofing, Green Building - Builder Magazine
Philadelphia Adopts Cool-Roof Law - Energy-Efficient Construction, Legislation, Products, Roofing, Green Building - Builder Magazine: "Traditional black asphalt-based roofing contributes to the heat-island effect, but cool roofs reflect the sun's rays back into the atmosphere and release absorbed heat."
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