How to Fix Common Bi Folding Door Repair Problems Bi-folding doors allow for a seamless transition between indoor and outdoor spaces. As time passes, they may start to wear out and require repairs. There are many ways to fix your bi-folding doors. Here are some common problems and their fixes: https://bifoldingdoorrepair54192.buyoutblog.com/30732473/10-things-we-all-hate-about-bi-fold-door-repair