How to Fix Common Bi Folding Door Repair Problems Bi-folding doors allow for a seamless transition between indoor and outdoor spaces. In time, they will be worn out and require repairs. There are several solutions to fix your bi-folding doors. Here are a few typical problems and their solutions: 1. https://replace-bifold-doors02942.amoblog.com/bi-fold-door-repairs-the-good-the-bad-and-the-ugly-52604674