How to Repair Bifold Door Top Roller Guide If your bifold door is sticking it's likely they need some attention. They could require cleaning, lubricated or adjusted. The issue could be caused by a loose bolt on the top pivot, or by the top guide roller. This kit contains all https://bifoldingdoorrepair54192.buyoutblog.com/30752605/this-week-s-top-stories-concerning-bi-fold-door-repairs