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How to Repair Bifold Door Bottom Pivots The misalignment of your doors could be the reason for your bifold doors becoming sagging and scraping on the floor. Simple adjustments can bring them back in line. This bottom pivot mounts to the floor or the base of a bracket for sturdy, secure mounting. With a threaded adjustment, this kit works with a wide range of bi-fold doors. Cracked or Broken Anchor or Pivot Pins The anchor pins and pivot pins on a bifold door can break or are misaligned w