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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 their hardware is degraded and requires repair. In the absence of a solution, these issues could lead to a costly repair bill. Whether your internal or external bi fold doors are glazed or solid, they are susceptible to wear and wear and tear. Regular maintenance can reduce damage. Locks Bi fold doors are stunning and practical as a perfect addition to any hom