The U.S. Department of Defense Tests Metal Roof Technology Integrating Renewable Energy and Sustainability Features
WRITTEN BY ROBERT SCICHILI and SCOTT KRINER A BEFORE 30 RETROFIT // September October 2012
ccording to Washington, D.C.-based Energy Star, there are 4.8 million existing commercial buildings in the U.S. and 40 percent of them were built prior to 1970, a time when energy
efficiency was not the priority it is today. As a result, our nation has a large inventory of buildings that are poorly insulated and are using inefficient appliances, air-han- dling equipment, lighting and windows.
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The new integrated roof system was installed over an 11,900-square-foot metal roof on a 10,000-square-foot Security Forces building at Goodfellow Air Force Base, San Angelo, Texas.
The new metal-over-metal retrofit roof integrates cool roofing, solar-power generation, solar thermal, rainwater catchment and above-sheathing ventilation in one holistic system.