Bi Fold Repairs - How to Properly Maintain and Repair Your Bi Fold Doors Bi-fold doors can be difficult to open, and some might even allow drafts. This is often due to the hardware slipping out of alignment over time. Restoring your bi-fold doors in line is usually pretty easy. https://bifold-door-glass-replace79335.blog-kids.com/30639727/9-signs-that-you-re-the-bi-fold-door-repair-expert