How to Repair a Bifold Door Top Pivot The top pivot could become loose and scrape along the floor. This can be corrected by loosening up the set screw on the top bracket. The top pivot pin is a metal screw that is inserted into a cap made of plastic https://bi-fold-door-repair-near21566.sharebyblog.com/30593143/20-insightful-quotes-about-bi-fold-door-repairs