Bi Fold Repairs - How to Properly Maintain and Repair Your Bi Fold Doors Many bi fold doors become difficult to open and could even allow a draft. The hardware could be out of alignment over time. It's generally fairly simple to get your bi fold doors back on track. https://bifold-door-glass-replace12876.bloggerbags.com/35891689/the-main-issue-with-bi-folding-door-repair-near-me-and-how-you-can-fix-it