How to Fix Common Bi Folding Door Repair Problems Bi folding doors allow for the expansion of the interior space and create an unbreakable connection between outdoor and indoor areas. In time, they will begin to wear out and need repairs. There are several ways to fix your bifolding doors. https://bifold-door-glass-replace12876.bloggerbags.com/35890849/the-10-most-terrifying-things-about-bi-fold-door-repairs