How to Repair Bifold Door Top Roller Guide If your bifold doors are squeaking and squeaking, they may require a little attention. They may require cleaning, lubricated or adjusted. The problem could be caused by loose bolts on the top pivot or by the top guide roller. This kit contains https://bifold-door-repairs72761.bcbloggers.com/30130498/10-top-mobile-apps-for-bi-fold-door-repairs