Glazed / UnglazedGlazedDoor LocationExternalGlazing TypeTriple GlazedWindow TypeTop Hung Opener Over Fixed LightERP (Energy Efficiency)NStandards MetUKCAMaterialUPVCHeat Loss U Value1.0 W/m2.KGlass TypeFrostedDoor MaterialUPVCColourGrey/WhiteSupplier Part Number6GRYWHOTG6101040Brand NameCrystal