How to Repair Bifold Door Bottom Pivots Misalignment is likely to be the cause of your bifold doors sagging and scraping the floor. A few minor adjustments can bring them back in line. The bottom pivot is attached to the bracket base or floor for an extremely secure, sturdy mounting. https://bifold-door-repair55737.ambien-blog.com/36770067/3-reasons-three-reasons-your-bi-fold-door-repair-is-broken-and-how-to-repair-it