Glazed / UnglazedGlazedDoor LocationExternalGlazing TypeDouble GlazedWindow TypeTop Hung Opener Over Fixed LightERP (Energy Efficiency)NStandards MetUKCAMaterialUPVCHeat Loss U Value1.4 W/m2.KGlass TypeFrostedDoor MaterialUPVCColourGrey/WhiteSupplier Part Number6GRYWHO6101115Brand NameCrystal