How to Repair Bifold Door Top Roller Guide If your bifold doors are sticking, it's likely that they need some maintenance. They might require cleaning, lubricated or adjusted. The problem may be caused by loose screws on the top pivot or the top roller guide. This kit includes all the https://bifold-door-replacement50767.blogs100.com/30964647/what-the-heck-what-exactly-is-bi-fold-door-repairs