Repairing Bifold Doors The hardware that connects the bifold doors will wear out over time. Cleaning and lubricating the mechanism (including the lock) will keep them working efficiently and smoothly. Most of the time, the issue can be solved easily. This guide will explain how to fix your bifold door https://bifold-door-repairs72761.bcbloggers.com/30130766/one-key-trick-everybody-should-know-the-one-bi-fold-repairs-trick-every-person-should-learn