PIMA announced that four accredited testing labs have been approved for use by participating polyiso insulation manufacturers in its QualityMark program, the only third-party program…
Johns Manville is advising customers of revised LTTR, or Long-Term Thermal Resistance, values for its polyisocyanurate insulation product line through a packet of information detailing…
The ASTM C1289 Standard Specification for Faced Rigid Cellular Polyisocyanurate Thermal Insulation Board (ASTM C1289-11) has been updated and features important improvements regarding the prediction…