Bifold Door Repair - How to Fix a Sticky Bifold Door If your bifold doors stick instead of smoothly opening and close, the problem can be solved by a few easy steps. Here's how. Carpeting or altering the flooring material often results in bifold closet doors to scrape the floor. https://repairingbifolddoors06651.blogoxo.com/30609282/a-the-complete-guide-to-bi-fold-door-repair-from-beginning-to-end