Bi-Fold Door Repair They can be either exterior or internal, bifold doors provide flexibility that can be tailored to meet the needs of any homeowner. But, like all other fixtures and fittings, they may be subject to wear and tear. It's simple to bring them back to their original condition. https://bifolddoorglassreplacemen64781.blogspothub.com/29894891/7-small-changes-that-will-make-a-big-difference-with-your-bi-fold-door-repairs