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Bi Fold Repairs - Save Money and Keep Your Home Secure If your bifold doors are difficult to open or let in a draft, it is likely that the hardware has degenerated. It requires repair. In the absence of a solution, these issues could lead to a costly repair bill. Wear and tear is a concern for all bi-fold doors, whether they are glass or solid. Regular maintenance will minimise damage. Locks Bi fold doors are beautiful and practical as a perfect addition to any home. Like every other door