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Johns Manville Announces Higher R-Value For JM Corbond III Insulation

2013-09-13 02:35:23| surfacefinishing Home Page

Johns Manville (JM), a Berkshire Hathaway company and leading building products manufacturer, recently announced that JM Corbond III closed-cell spray polyurethane foam insulation now delivers an R-value of R-7 per inch, a change that translates to a nine percent increase in thermal resistance compared to the previous R-6.4 per inch

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