How to Fix Common Bi Folding Door Repair Problems Bi-folding doors allow for seamless transitions between outdoor and indoor spaces. However, with time they can start to break down and require repairs. There are many ways to fix your bifolding doors. Here are some common problems and their solutions: 1. https://bifold-door-replacement45991.humor-blog.com/29952007/20-myths-about-bi-fold-door-repairs-busted