How to Fix Common Bi Folding Door Repair Problems Bi-folding doors allow for seamless transitions between indoor and outdoor spaces. However, as time passes, they can start to break down and require repairs. There are many ways to fix your bi-folding doors. Here are a few typical issues and solutions: https://bifolddoorsealreplacement93899.bloggip.com/30494006/10-facts-about-bi-fold-door-repair-that-will-instantly-get-you-into-a-great-mood