DIY Bifold Door Roller Replacement The bifold roller is the most common failure point in internal folding doors. The problem is easily fixable by using an easy DIY solution. The rollers are made of stainless steel and are resistant to breaking. They are simple to install with the included hardware. https://bifold-door-repair65624.blue-blogs.com/37546457/15-astonishing-facts-about-bi-fold-door-repairs-near-me