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How to Repair Bifold Door Bottom Pivots A misalignment could be the cause of your bifold doors sliding and scraping on the floor. A few simple adjustments can bring them back to their proper place and running smoothly. The bottom pivot is attached to the floor or base of a bracket for solid, secure mounting. This kit is threaded to allow for adjustment and is compatible with various bi-fold door designs. Anchor or pivot pins that have cracked or broken Anchor pins and pivots can fail or be misaligned on a