Bi Fold Repairs - How to Properly Maintain and Repair Your Bi Fold Doors Many bifold doors are difficult to open and may even allow a draft. This is often because the hardware is falling out of alignment with time. Restoring your bi-fold doors in line is usually pretty easy. https://bifoldingdoorrepair36183.iyublog.com/29902565/10-amazing-graphics-about-bi-fold-door-repair