Category NameDoorsGlazed / UnglazedGlazedDoor LocationExternalGlazing TypeDouble GlazedWindow TypeSliding Patio Left to RightERP (Energy Efficiency)NStandards MetUKCAMaterialUPVCHeat Loss U Value1.4 W/m2.KGlass TypeClearDoor MaterialUPVCSupplier Part NumberPDGRYLTR179Brand NameCrystal