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Johns Manville JM Corbond III insulation boasts R-value of 5.9/in

October 15, 2013 - Johns Manville says its JM Corbond III closed-cell spray polyurethane foam insulation now offers a R-value of 5.9/in (11.6 ft2/hr/oF/BTU LTTR), a change that translates to a 13% higher R-value compared to previous thermal performance of 5.1/in. With the upgrade, JM Corbond III announced it has achieved a Type 2 R-value, which designates the highest level of thermal resistance for spray foam under the National Building Code of Canada. According to the company, JM Corbond III now requires significantly less product to deliver the desired R-value.

October 15, 2013  By  Alyssa Dalton




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