ERSystems
				Hot Issues in Cool Roofing
			• Urban Heat Islands – Metropolitan areas which exhibit temperatures 5 – 10 °F higher than the surrounding countryside • Due to elimination of trees • Buildings and Pavement • Dark surfaces exhibit temps 75 – 100 °F higher than ambient • Higher air temperature – Increases air conditioning costs ($4 billion annually) – Increases rate and quantity of smog formation – Increases the rate of deterioration of roofing materials
		Elastomeric Roofing Systems, Inc.