Buy Kooltherm K108 Cavity Insulation Board Kingspan 75mm Kooltherm K7 12th Issue Sept 19 PDF Building Insulation Roof Kooltherm K9 Internal Insulation Board 4ft x 7.5ft All Thicknesses Kingspan Insulation Kingspan Insulated Boards GreenGuard Kooltherm PPC Supplies. Kingspan Kooltherm K9 Internal Insulation Board is a premium performance rigid thermoset insulation product, used for basement, crawlspace and attic wall applications. Thickness R Value Board Size Boards per Pallet Sqft per Pallet 1. 57 In 11. 6 47. 24 In x 89. 37 In 56 1641. 92 1. 97 In 14. 5 47. 24 In x 89. 37 In 48 1407. 96 2. 36 In 17. 4 47. 24 In x 89. 37 In 40 1172. 80 2. 95 In 21. 8 47. 24 In x 89. 37 In 32 938. 24 3. 94 In 29. 1 47. 24 In x 89. 37 In 24 703. 68 Key Features: Premium performance rigid thermoset insulation Higher R value per inch than any commonly used insulation Negligible smoke developed ASTM E 84 rating of 5 5 (flame smoke) Unaffected by air infiltration NFPA 286 compliant for exposed applications Easy to handle and install Manufactured with a blowing agent that has zero ODP, low GWP, HCFC and CFC free