Repairing Bifold Doors The hardware that is used to hold the bifold doors together will wear out over time. Cleaning and lubricating the mechanisms (including the locks) can keep them running smoothly and efficiently. Most of the time, the issue is a small issue that is easily fixed. This guide https://bifolddoorrepair11933.ssnblog.com/29873269/the-one-bi-fold-repairs-trick-every-person-should-learn