How to Repair Bifold Door Bottom Pivots A misalignment could be the cause of your bifold doors becoming sagging and scraping the floor. A few simple adjustments will bring them back in line. The bottom pivot is attached to the bracket the floor or base for a sturdy, secure mounting. https://bifolddoorsealreplacement07387.blogsidea.com/36972174/how-to-explain-bi-fold-door-repair-to-your-boss