https://telegra.ph/20-Fun-Fact....s-About-Bi-Fold-Door
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 lock) can keep them running efficiently and smoothly. of the time, the issue can be solved easily. This guide will help you understand how to repair your bifold doors when they become difficult to open or close. Cracked Pivot Pins A bifold door is a set of panels that slide down tracks that are installed in the head and side jambs, or floor. They pivot