https://wifidb.science/wiki/Th....e_Best_Bi_Fold_Door_
How to Repair a Bifold Door Top Pivot A bifold closet door's top pivot can become loose and scrape the floor. This can be corrected by loosening up the screw that holds the top bracket. The pivot pin on the top is a metal screw that is fitted into a plastic cap with a lipped end that stays in the track just above the door. You'll need a screwdriver, and possibly a pair of pliers. Take off the pin at the bottom. Bifold doors are great to save space in a closet, but they can start to sag or