A bi-fold or accordion door features a monitor that guides it and retains it working smoothly. A common difficulty with accordion or bi-fold doors is that they bounce their observe. Find the four screws and tighten them clockwise. Tighten a person screw at a time and check the door soon https://portepermagazzinifrigo51604.blogpayz.com/34935290/the-ultimate-guide-to-door-repair-service