https://squareblogs.net/oxygen....limit37/the-most-inn
How to Repair Bifold Door Top Roller Guide If your bifold doors have become stuck and squeaking, they may need a little maintenance. They might need to be cleaned or lubricated, or even adjusted. The problem may be caused by an unfastened screw on the top pivot or the top roller guide. This kit comes with all the hardware required to bring your bi-fold closet door to optimal performance. Remove the Door It might seem difficult and difficult to install the bifold internal doo