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How to Repair Bifold Door Bottom Pivots If your bifold closet doors are sliding or scraping the floor it's most likely due to misalignment. Simple adjustments can get them back on track. The bottom pivot is attached to the floor or the base of a bracket for a secure, sturdy mounting. It is threaded to allow for adjustment. kit works with a wide selection of bi-fold doors. Anchor or pivot pins that are broken or cracked Anchor pins and pivots may be damaged or incorrectly aligne