How to Fix Common Bi Folding Door Repair Problems Bi-folding doors allow for seamless transitions between indoor and outdoor spaces. However, over time they may begin to fail and require repair. There are a variety of solutions to fix your bi-folding doors. Here are some common problems and their solutions: https://bifoldingdoorrepair71239.ampedpages.com/the-most-common-bi-fold-door-repair-debate-could-be-as-black-and-white-as-you-might-think-57909007