Polyiso Roof Insulation R-value Update
An update to ASTM C1289, “Standard Specification for Faced Rigid Cellular Polyisocyanurate Thermal Insulation”, (ASTM C1289-13) features important improvements regarding the prediction of Long-Term Thermal…
An update to ASTM C1289, “Standard Specification for Faced Rigid Cellular Polyisocyanurate Thermal Insulation”, (ASTM C1289-13) features important improvements regarding the prediction of Long-Term Thermal…
On Oct. 31, 2013, the National Building Code (NBC) of Canada adopted the most recent version of CAN/ULC-S704-11, the standard specification for polyiso in Canada,…
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…