How to Repair a Bifold Door Top Pivot The top pivot of bifold doors can be loosened and scrape the floor. This can be corrected by loosening the set screw on the top bracket. The top pivot pin is made of a screw made of metal that is inserted into https://bi-fold-door-repair85586.blogars.com/29706388/10-websites-to-help-you-become-an-expert-in-bi-fold-door-repairs