Polyurethane foam panel with 45kg/m3 density,30mm thickness,coated with 200micron thick aluminium on one side and 80micron on the other.The aluminium foil is embossed on both sides and coupled with a 2 g/m2 layer of corrosion-resistant polyester paint.The combination of the panels overall thickness(20/25/30mm),the gum sikin waterproof coating and the 200micron thickness of the external aluminium coating,gives and extraordinary rigidity and mechanical resistance against accidental damages which makes panels suitable for ourdoor installations and high pressure duct