How to Repair a Bifold Door Top Pivot The top pivot can become loose and scrape the floor. This can be corrected by loosening the set screw on the top bracket. The top pivot pin is made of an iron screw that fits into a cap made of plastic that https://repairingbifolddoors03656.azzablog.com/30827977/many-of-the-common-errors-people-make-using-bi-fold-door-repairs