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Bi Folding Door Repair Tips Bi-fold doors are an excellent method of connecting your indoors and outdoor. They are perfect for letting the sun and fresh air in, but they must be maintained properly to avoid damage. There are a variety of common issues that you may have to deal with when using your bifold door. Fortunately, they're not difficult to repair! Cracked Pivot Pins You might have noticed that the bi-folding doors of your home are scraping across the bottom i