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1.Side Frame:77mm Width;Thickness: 2.0mm.2.The series could be two or four sash; also could be Door with Window type.3.Optional glass choice with single or double glass.4.Suitable for Balcony with Thermal break and Anti-sound performance.5.Good sealing performance and simple appearance.6.Door thickness is 2mm,and for 2.5m*2.0m total aluminium usage is 8.6kg/m2.