Table 1.

A comparison of the thermal conductivity of typical building materials. (EPS, expanded polystyrene.)

groupmaterialthermal conductivity (W mK−1)
metalaluminium204
copper372
steel52
concreteheavy2.0
light0.7–0.9
glasswindow0.8
foam glass0.04
woodhardwood0.17
chipboard0.1–0.3
cork0.06–0.07
syntheticsEPS foam0.035
polyurethane foam0.025–0.035
phenolformaldehyde foam0.035
PP and PE0.17