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Bi Fold Repairs - Save Money and Keep Your Home Secure If your bifold doors are hard to open or letting in drafts, it is likely that the hardware has degenerated and needs repair. In the absence of this problem, it can cause costly repairs. If your exterior or internal bi fold doors are glazed or solid, they are prone to wear and tear. Regular maintenance will minimise the damage. Locks They are a beautiful and practical addition to any home. Like any other door or window they may become damaged or misaligned over time. You can save money by fi