Products > Kooltherm > Kooltherm K18 Insulated Plasterboard > Overview Kooltherm K18 Insulated Plasterboard Insulated plasterboard for mechanically fixed dry-lining Kingspan Kooltherm K18 Insulated Plasterboard Properties Download PDF Thermal conductivity (insulant thickness) 0.021 W/m.K (25–44 mm) 0.020 W/m.K (≥ 45 mm) 0.19 W/m.K (plasterboard component) Front facing 12.5 mm plasterboard Core Premium performance rigid thermoset modified resin insulant manufactured with a blowing agent that has zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP). Reverse facing Composite foil Board size 1.2 x 2.4 m
