Features: 1) Available in mill finish, anodized, powder coating, electrophoresis, wood grain with various colors. 2) Alloy: 60 1)Receomended door frame size:460*2000mm2)Alloy: 6063-T5,T63)Various Wood grain texture options,4)High light and air permeability5)Each Piece Profile interlaving by PE foam, Each Bundle Wrap by Shrink Plastic Film Roller Shutter Door Profile