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How to Repair Bifold Door Bottom Pivots A misalignment could be the reason for your bifold doors sliding and scraping on the floor. A few simple adjustments will bring them back in line. This pivot's bottom is attached to the bracket the floor or base for an extremely secure, sturdy mounting. With a threaded adjustment, this kit is compatible with a broad range of bi-fold doors. Anchor or pivot pins that are broken or cracked Anchor pins and pivots can be damaged or misaligned on a bifolding door and