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How to Fix Common Bi Folding Door Repair Problems Bi-folding doors provide an effortless transition between outdoor and indoor spaces. However, as time passes, they could begin to break down and require repairs. There are plenty of ways to repair your bifold doors. Here are a few typical problems and their solutions: 1. Misalignment. Misalignment If your bi-folding doors are difficult to close or open, causing a draft in the home or not sealing correctly The problem could be caused by misali