How to Repair a Bifold Door Top Pivot The top pivot can become loose and scrape along the floor. You can correct this by loosening the set screw of the top bracket a bit. The pivot pin on the top is a screw made of metal that fits into a https://bifold-door-seal-replacem35998.bloguetechno.com/bi-fold-door-repairs-it-s-not-as-hard-as-you-think-65807170