How to Fix Common Bi Folding Door Repair Problems Bi-folding doors allow for an effortless transition between outdoor and indoor spaces. As time passes, they may be worn out and require repairs. There are many ways to fix your bi-folding doors. Here are some common problems and their solutions: 1. https://bifolddoorglassreplacemen88651.blogofchange.com/30985629/15-up-and-coming-bi-fold-door-repair-bloggers-you-need-to-follow