How to Repair Bifold Door Top Roller Guide If your bifold doors have become stuck, they probably need a little maintenance. They could require cleaning and lubricated or adjusted. The issue could be caused by a loose screw on the top pivot or the top guide roller. This kit contains https://bifolddoorglassreplacemen88651.blogofchange.com/31232057/a-cheat-sheet-for-the-ultimate-on-bi-fold-door-repairs