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How to Repair Bifold Door Bottom Pivots Misalignment is likely to be the reason for your bifold doors sliding and scraping on the floor. Simple adjustments can bring them back in line. This pivot's bottom mounts to the floor or the base of a bracket to provide a secure, sturdy mounting. This kit is threaded to allow adjustment and works with a variety of bi-fold door designs. Anchor or pivot pins that are broken or cracked Anchor pins and pivots can be damaged or misaligned on bifold doo