How to Repair Bifold Door Top Roller Guide If your bifold door is sticking it's likely they need some attention. They might require cleaning and lubricated or adjusted. The problem could be caused by loose bolts at the top pivot or by the top guide roller. This kit comes with https://bi-fold-door-repair-near26928.idblogz.com/31021074/the-most-convincing-evidence-that-you-need-bi-fold-door-repairs