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. The hardware could be out of alignment over time. It's usually fairly easy to get your bifold doors back on the right track. https://bifold-door-repair65842.therainblog.com/29876585/indisputable-proof-of-the-need-for-bi-fold-door-repair