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Bi Folding Door Repair Tips Bi-fold doors allow you to completely open up your space and connect indoors with outdoors. They are great for letting the sun and fresh air in, however they need to be properly maintained to avoid damage. There are several common problems you might have to deal with when using your bifold door. Fortunately, they're not difficult to repair! Cracked Pivot Pins If you've recently installed carpeting or changed flooring material in your home, you may be noticing that your bi-folding