How to Repair Bifold Door Top Roller Guide If your bifold doors are sticking, it's likely that they require some maintenance. It is possible that you need to clean, lubricate or adjust them. The problem may be caused by a loose screw on the top pivot or by the top https://bifolddoorrepair97017.life3dblog.com/29741115/your-worst-nightmare-about-bi-fold-door-repairs-be-realized