https://articlescad.com/five-t....hings-everybody-does
Repairing the Bottom of a Bifold Door They're a great way to reduce space, but they can be a pain when they begin to sag and scrape the floor. The good thing is that these issues are often easy to fix with a few simple adjustments. If your bifold doors are scraping on the floor, it is most likely because of a damaged track or worn roller. The solution is to replace the damaged rollers. Bottom pivot In time the pivot at the bottom of a bifold door could become loose or even fall out. T