DIY Bifold Door Roller Replacement The bifold roller is the most common failure issue in doors that fold internally. A simple DIY solution is available to fix the problem. The rollers are made of stainless steel and are resistant to breaking. They are easy to install using the supplied hardware. https://bi-fold-door-repairs-near78815.get-blogging.com/30996946/how-to-save-money-on-bi-fold-door-repairs-near-me