How to Repair Bifold Door Top Roller Guide If your bifold doors are sticking it's likely they require some maintenance. They might need to be cleaned, lubricated or adjusted. The problem may be caused by loose screws on the top pivot or by the top roller guide. This kit contains https://repairing-bifold-doors47131.howeweb.com/31081440/10-quick-tips-about-bi-fold-door-repairs