Johns Manville (JM), a Berkshire Hathaway company and building products manufacturer, has added commercial and residential mineral wool to its full spectrum of insulation products, allowing…
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Johns Manville (JM), a supplier of commercial roofing products, advises customers of revised LTTR (Long-Term Thermal Resistance) values for its polyisocyanurate insulation product line. To help…
Builders, code officials, insulation contractors, architects and building scientists now have a new resource to rely on for insulation knowledge. The Insulation Institute is a central…