How to Fix Common Bi Folding Door Repair Problems Bi-folding doors create a seamless transition between indoor and outdoor spaces. As time passes, they may be worn out and require repair. Luckily, there are many solutions to repair your bifold doors. Here are a few common problems and their solutions: https://repairing-bifold-doors47131.howeweb.com/31283161/20-trailblazers-lead-the-way-in-bi-fold-door-repairs