Products > Aerowall > Overview Aerowall External wall insulation Kingspan Aerowall Properties Download PDF Thermal conductivity 0.030 W/m.K Core High performance graphite enhanced expanded polystyrene that has zero Ozone Depletion Potential (ODP) and zero Global Warming Potential (GWP). Board sizes 1.2 x 0.6 m 1.0 x 0.5 m