... . You can design the windows by yourself.Aluminum profile1.2-2.2mm, thermal break aluminum profileGlassSingle, double, tripled glass; double glass with ... ,6mm,8mm; Space: 6mm,9mm,12mm,16mm, etc.Reinforcement steelU form galvanized steel; 1.2mm, 1.5mm, 2.0mm, 2.5mmSealRubber ... ,6mm,8mm; Space: 6mm,9mm,12mm,16mm, etc.Reinforcement steelU form galvanized steel; 1.2mm, 1.5mm, 2.0mm, 2.5mmSealRubber ...