How to Repair Bifold Door Top Roller Guide If your bifold door is sticking it's likely they need some attention. It is possible that you need to clean and lubricate them or adjust them. The issue could be caused by an unfastened bolt on the top pivot or by the https://bifolddoorreplacement57154.weblogco.com/30780354/15-up-and-coming-trends-about-bi-fold-door-repairs