https://king-wifi.win/wiki/12_....Facts_About_Bi_Fold_
Repairing the Bottom of a Bifold Door They're a great way to save space, but they can be a pain when they begin to lose their grip and scrape the floor. These issues are easily fixable with a few simple changes. If your bifold door is scratching the floor, it's likely due to a damaged track or roller that is worn out. The damaged rollers should be replaced. Bottom pivot Over time the pivot at the bottom of a bifold door could be loosened or even fall off. This ca