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How to Repair Bifold Door Bottom Pivots If your bifold closet doors are sagging or scraping the floor, it's probably due to misalignment. A few simple adjustments will bring them back in line. The bottom pivot is attached to the floor or the base of a bracket for sturdy, secure mounting. With a threaded adjustment, this kit can be used with a wide variety 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 which causes the doors t