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 simple adjustments will get them back on track. This bottom pivot mounts to the floor or base of a bracket for a sturdy, secure mounting. https://bifold-door-replacement45991.humor-blog.com/29905757/14-creative-ways-to-spend-left-over-bi-fold-door-repair-budget