DIY Bifold Door Roller Replacement The bifold door roller is a common issue with internal doors that are light-weight. A simple DIY fix is available to solve the problem. The rollers are constructed of stainless steel and are resistant to breaking. They are simple to install using the supplied hardware. https://bifolddoorsealreplacement17803.thekatyblog.com/29629641/so-you-ve-bought-bi-fold-door-repairs-near-me-now-what