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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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NRCA's EnergyWise Roof Calculator has been updated with new IECC and IgCC codes

October 28, 2013

NRCA's EnergyWise Roof Calculator Online has been updated to include information from the 2012 version of the International Code Council's International Energy Conservation Code (IECC) and the 2012 version of the International Green Construction Code (IgCC).

In addition, new minimum long-term thermal resistance values for polyisocyanurate insulation, effective Jan. 1, 2014, have been included. EnergyWise Roof Calculator Online is available for free on NRCA's website,


Editor's note: This is sponsored content


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