Bi Fold Repairs - How to Properly Maintain and Repair Your Bi Fold Doors Many bi-fold doors become difficult to open, and some may even allow drafts. The hardware could have gotten out of alignment over time. The process of getting your bi-fold doors back in line is generally easy. https://bifolddoorglassreplacemen64781.blogspothub.com/30086152/15-amazing-facts-about-bi-folding-door-repair-near-me