Products > Therma > Thermawall TW55 > Overview Thermawall TW55 Insulation for timber and steel framing systems Kingspan Thermawall TW55 Properties Download PDF Buy it Now Thermal conductivity 0.022 W/m.K Facings Composite foil Core High performance rigid thermoset polyisocyanurate (PIR) insulant manufactured with a blowing agent that has zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP). Board size 1.2 x 2.4 m
