Bifold Door Repair - How to Fix a Sticky Bifold Door If your bifold doors sag rather than smoothly open and close, the issue can be solved by following a few simple steps. Here's how. The addition of carpet or altering the flooring material frequently can cause bifold closet doors https://bifolddoorsrepair58425.eedblog.com/30756831/20-tools-that-will-make-you-more-efficient-at-bi-fold-door-repair