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How to Repair Bifold Door Bottom Pivots A misalignment could be the reason for your bifold doors sliding and scraping the floor. A few simple adjustments will bring them back in line. The bottom pivot is attached to the floor or base of a bracket for a sturdy, secure mounting. This kit is threaded to allow adjustment and works with a variety of bi-fold door designs. Cracked or Broken Anchor or Pivot Pins Anchor pins and pivots may fail or be misaligned on a bifolding doo