Core: rigid polyurethane foam by German Dow Chemical Сore density: 50 kg/m3 Thermal conductivity coefficient of the core: 0.022 W/m*K. Door thickness: 80, 100, 120 mm. Door installation opening: height up to 3000 mm, width up to 3000 mm. Exterior and interior metal, including door shoulders: 0,5 mm thick galvanised steel, in RAL colours of your choice