March 2010
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Retrofit with high R-value insulation

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Reroofing with high R-value insulation can provide energy savings

by Jared O. Blum
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At the end of 2009, President Barack Obama urged Congress to provide funding to building owners and homeowners to improve energy efficiency in buildings by replacing doors and roof systems and adding more insulation. He likened the current lack of energy efficiency in most homes and buildings to watching "$20 bills float though the window and into the atmosphere." And he went so far as to say the idea "may not be very glamorous," but he finds insulation "sexy."

As the president so eloquently stated, insulation is one of the most important components in a building when it comes to reducing energy costs and decreasing carbon footprint. Much of the existing building stock still has 30 or more years of service life and could be vastly improved during the long term if owners consider reroofing with high R-value roof systems.

A high R-value roof system can save a building owner money, increase a building's energy efficiency and reduce greenhouse gas emissions. And in the retrofit roofing market, high R-value roof systems present a 50 billion-square-foot opportunity for roofing contractors.

A high R-value roof system provides a level of thermal resistance, or R-value, higher than current minimum levels required by building code standards and practices. The most effective way to achieve this performance level is by using more insulation than...



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