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How to Repair Bifold Door Bottom Pivots Misalignment is likely to be the reason for your bifold doors becoming sagging and scraping the floor. Simple adjustments can get them back on track. This pivot's bottom mounts to the floor or the base of a bracket to provide a secure, sturdy mounting. With a threaded adjustment, this kit works with a wide range of bi-fold doors. Broken or cracked Anchor or Pivot Pins Anchor pins and pivots can fail or be misaligned on bifold doors, causing the doors to sag and scrape the floor. T