How to Repair a Bifold Door Top Pivot The top pivot of bifold doors can become loose and scrape the floor. You can correct this by loosening the set screw for the top bracket a bit. The top pivot pin is a screw made from metal that fits into a https://bi-folding-door-repair-ne75868.develop-blog.com/37174136/10-things-everybody-hates-about-bi-fold-door-repairs