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Bi Fold Repairs - Save Money and Keep Your Home Secure If your bi-fold doors are difficult to open or allow drafts, it is likely that the hardware has deteriorated. It is in need of repair. If you don't address this issue, it could lead to expensive repairs. Whether your internal or external bi fold doors are glazed or solid, they are prone to wear and tear. Regular maintenance will minimise damage. Locks They are beautiful and practical addition to any home. However, like any door or