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How to Repair Bifold Door Top Roller Guide If your bifold doors are sticking to the wall, they might require a little attention. They may require cleaning and lubricated or adjusted. The problem may be caused by an unfastened screw on the top pivot or by the top guide roller. This kit comes with all the hardware required to bring your bi-fold closet door to optimal performance. Remove the Door It may appear complicated and challenging to put in the bifold internal doors b