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Bi-Fold Door Repair Bi-fold doors can be used for either indoor or outdoor use. They are affluent and can be tailored to meet the needs of any customer. Like other fixtures and fittings they can be susceptible to wear and tear. It's not that difficult to restore them to good shape. You can fix your bi-fold doors using a bit of patience and basic woodworking skills. Cracked Corners Bifold doors are generally light and can crack near the pivot points on the top and bottom. This i