How to Repair Bifold Door Bottom Pivots A misalignment could be the cause of your bifold doors sagging and scraping the floor. Simple adjustments can bring them back to their proper alignment. The bottom pivot is attached to the floor or base of a bracket for a secure, sturdy mounting. https://bi-folddoorrepair09788.blogsvila.com/30824994/an-easy-to-follow-guide-to-bi-fold-door-repair