The Use of Reflective Roof Surfaces

Buffalo Public School #84

“Heat island effects occur when warmer temperatures are experienced in urban landscapes compared to adjacent rural areas as a result of solar energy retention on constructed surfaces.” (USGBC New Construction Version 2.2 Reference Guide, third edition October 2007). A large contributor to heat island effects are the use of black or dark colored roof systems. This concentration of heat increases cooling requirements within the building, which will be reflected in increased energy costs. One way to offset the heating loads caused by black colored roofs is to utilize white or light colored surfacing on your roof.

This is a strategy we have employed on Buffalo Public School #84, which has a roof surface area of over 100,000 square feet. Through the use of an Energy-Star compliant reflective aluminum coating, the roof surface temperature will be dramatically lowered over that of a traditional black roof. The benefits of these types of coatings are increased roof life, a reduction in radiant heat, and reduced cooling costs in the building.

http://www.tremcoroofing.com/energystar.asp

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One Response to “The Use of Reflective Roof Surfaces”

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