Kingspan Kooltherm® K12 Framing Board is a premium performance insulation with a fiber-free rigid thermoset phenolic insulation core faced on both sides with a low emissivity composite foil facing which is used in wood or steel frame walls. It is resistant to the passage of water vapor, unaffected by air infiltration, and can be used between studs or as an insulating sheathing.
Highest R-value per inch of commonly available insulations
Lowest reported smoke developed index rating for foam insulations and minimal flame spread
Extensive NFPA 285 compliant wall systems*