https://botdb.win/wiki/10_Thin....gs_You_Learned_In_Ki
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How to Repair Bifold Door Top Roller Guide If your bifold doors are sticking and squeaking, they may require some maintenance. You may have to clean or lubricate them, or even adjust them. The problem may be caused by a loose screw on the top pivot or the top guide roller. This kit comes with all the necessary hardware to bring your bi-fold closet door to its best perfo