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https://sciencewiki.science/wi....ki/5_Killer_Quora_An
Repairing the Bottom of a Bifold Door Bifold doors are great space-savers, but they can be troublesome if they start to sag or scratch against the floor. The good part is that these issues are often easy to fix by making a few minor adjustments. If your bifold doors scrape on the floor, this is 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 can be loosened or even fall off. This usually h