DIY Bifold Door Roller Replacement The bifold roller is the most frequent failure point in internal folding doors. A simple DIY fix can be found to fix the issue. The rollers are constructed of stainless steel and are resistant to breaking. They are easy to install using the supplied hardware. https://bifolddoorrepair50428.blogdigy.com/the-top-5-reasons-why-people-are-successful-at-the-bi-fold-door-repairs-near-me-industry-45536080