DIY Bifold Door Roller Replacement The bifold roller is the most common failure problem in internal folding doors. The problem is easily fixable by using a simple DIY solution. The rollers are made from stainless steel and are impervious to breakage. They are easy to install using the supplied hardware. https://bifoldingdoorrepair26998.elbloglibre.com/30446628/the-reasons-to-focus-on-enhancing-bi-fold-door-repairs-near-me