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JM Spider now achieves R-24 in 2×6 wall cavity

July 29, 2014 - Johns Manville (JM), a building products manufacturer, says its signature JM Spider spray-in custom fibre glass insulation has received Canadian Construction Materials Centre approval (CCMC 13212-R) for a thermal resistance of R-24 in a 2x6 wall cavity, complying with 2010 National Building Codes. The product previously offered a thermal resistance up to R-23 in a 2x6 wall cavity. Boasting superior thermal performance, JM Spider promises to fill framing cavities in wall and overhead applications in both wood and steel framing without leaving gaps and voids.

July 29, 2014  By  Alyssa Dalton

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