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Bifold Door Repair - How to Fix a Sticky Bifold Door If your bifold doors stick rather than smoothly open and close, the issue can usually be fixed with some easy steps. Here's how. Bifold closet doors often scrape the floor when carpet is installed or the flooring material is changed. The bottom pivot adjustment can be used to raise the door. A little maintenance is also necessary to keep the hardware free of dirt, debris, and dust. Versatility Bifold doors can be a great