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Bi Fold Repairs - Save Money and Keep Your Home Secure If your bifold doors are difficult to open or letting in drafts, it is likely that the hardware has degenerated and needs repairing. Ignoring this problem can cause costly repairs. Wear and tear is a concern for all bi-fold doors whether they are glass or solid. Regular servicing will help minimise the damage. Locks Bi fold doors are gorgeous and practical design elements for any home. But, just like any other door or window, they can become