Tips of door and window profile width and wall thickness
When you are choosing Aluminum doors and windows, you may often hear the salesperson say that their doors and windows are of 60, 70, 80 series, and so on. The numbers of 60, 70 and 80 mentioned here are generally referring to the cross-sectional width of the window frame. This width determines the corresponding wall thickness, glass thickness, insulation strip size, cavity structure and other factors of the profile system designed by the manufacturer. Namely, thick, means more contents.