How to Repair a Bifold Door Top Pivot The top pivot can become loose and scrape the floor. This can be fixed by loosening the set screw for the top bracket. The pivot pin on the top is a metal screw that is fitted into a cap made of plastic https://bi-fold-door-repair80002.tblogz.com/be-on-the-lookout-for-how-bi-fold-door-repairs-is-taking-over-and-what-can-we-do-about-it-44712398