Category NameWindowsGlazed / UnglazedGlazedDoor LocationExternalGlazing TypeTriple GlazedWindow TypeTop Hung Opener Over Fixed LightERP (Energy Efficiency)NStandards MetUKCAMaterialUPVCHeat Loss U Value1.0 W/m2.KGlass TypeClearDoor MaterialUPVCColourWhiteSupplier Part Number6WHTG610965Brand NameCrystal