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Polyisocyanurate Roof Insulation. Meets the requirements of ASTM C 1289, Type II, Class 1, Grade 2 (20 psi) •• ENRGY 3 / Tapered ENRGY 3. Grade 3 (25 psi) •• ENRGY 3 25 PSI / Tapered ENRGY 3 25 PSI. Features and Components.
Johns Manville AP™ Foil25 Polyiso Continuous Insulation is a 25-psi compressive strength board which consists of a uniform closed-cell polyisocyanurate foam core bonded on each side to a foil facer.
JM’s Polyisocyanurate foam, known as TRYMER® PIR, is a closed-cell, high-performance insulation for use in industrial and commercial applications. TRYMER PIR is manufactured into bunstocks to be fabricated into the appropriate shapes and sizes for pipes, vessels, equipment, and duct applications.
E’NRG’Y 2TM and ISO 1TM are rigid roof insulation pan-els composed of closed-cell polyisocyanurate foam core, bonded to universal fiber glass reinforced facers. They are designed for direct application over metal, nailable and non-nailable deck types. E’NRG’Y 2 is recommended for BUR, modified bitumen and single ply roofing systems.
Johns Manville CI Max® applications. It is composed of a uniform closed-cell polyisocyanurate foam core with a glass-mat reinforced 1.5 mil embossed aluminum facer that is meant to be left exposed. Available in a white. commercial, agricultural and industrial buildings.
JM Revised LTTR Values: JM suggests that design professionals use a 5.7 R/inch as a “design specification” for its foam products. Prior to this, 6.0 R/inch was the “design specification” for polyiso. Specifically, the new LTTR values are compared to the old as follows: LTTR Change. OLD LTTR (CAN/ULC-S770-03)
ully adhered single ply systems.Closed Cell Polyisocyanurate Foam Core: Provides high R-value per inch in built-up, modified bitumen, metal roof and single ply roof systems, and utilizes an environmentally compliant blowing agent that provides hig. thermal insulation performance.Fire Resistance: Achieves UL Class A approval directly over a ...
