DIY Bifold Door Roller Replacement The bifold roller is the most frequent failure issue in doors that fold internally. The issue is easily fixed with a simple DIY solution. The rollers are made of stainless steel and are resistant to breaking. They are easy to install using the included hardware. https://bifold-door-repairs83385.blog-mall.com/31058233/are-you-getting-the-most-you-bi-fold-door-repairs-near-me