How to Fix Common Bi Folding Door Repair Problems Bi-folding doors allow for a seamless transition between outdoor and indoor spaces. In time, they will be worn out and require repair. There are several solutions to fix your bi-folding doors. Here are some of the most common issues and solutions: https://repairingbifolddoors76709.uzblog.net/the-3-most-significant-disasters-in-bi-fold-door-repairs-history-44772497