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Drew Ballensky is general manager of Duro-Last Roofing, Inc.’s central U.S. facility in Iowa and company spokesman for Duro-Last’s cool roofing, sustainability and architectural education programs. He is past-president of the Chemical Fabrics and Film Association and chairman of CFFA’s Vinyl Roofing Division. Drew earned his bachelor’s degree in industrial technology from the University of Northern Iowa and master’s degree in business administration from Florida State University. Drew has over 29 years experience in business and industry in various engineering and managerial capacities. He has worked in the U.S. and Canadian operations for a major international manufacturer of pre-engineered steel buildings, was a financial analyst with a major athletic apparel manufacturer and was an owner of a general contracting company.
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Holistic approach critical to green retrofits

January 13, 2011

To make a retrofit of an old building truly sustainable, you’ve got to address all systems and aspects of the structure. That’s the lesson taken from the OXFAM Canada headquarters project in Ottawa. The 1950s-era building was given a green makeover on a tight budget—C$100/ s.f. ( ) Retrofits are often limited to single items such as boilers, insulation or lighting. But Rodney Wilts, a partner with design consultants BuildGreen Solutions, says “an aggregate, holistic approach produces more meaningful results.” It seems that this strategy will pay off for OXFAM. BuildGreen expects utility bills to be about half of what they would have been without the retrofit.

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