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How to Repair Bifold Door Bottom Pivots Misalignment is likely to be the cause of your bifold doors sliding and scraping on the floor. A few basic adjustments should get them back on track and running smoothly. This bottom pivot mounts to the floor or the base of a bracket for secure, sturdy mounting. This kit is threaded for adjustment and is compatible with a variety of bi-fold door styles. Broken or cracked Anchor or Pivot Pins Anchor pins and pivots can break or become misaligned on a bifolding door which caus