The APO 80S comprises Sendzimir galvanized rails. The horizontal guides have a thickness of 1.5 mm and are attached every 0.5 to 1.0 m with a specially shaped plate with a 1.5-mm thickness. The vertical guides have a thickness of 1.5 mm and are reinforced with a 1.5-mm-thick corner frame over the entire length. Ball-bearing mounted nylon idlers and tension springs at the back (15000 cycles) ensure smooth up and down movement of the door. A lintel bar with seal is fitted at the top.
- Required distance side stop = 85mm
- Required distance upper stop = 80mm first stop (+50mm for automatic operation system or +50mm for manual operation system, before the second stop).