Bifold doors are your gateway to the bright outdoors. The custom folding, accordion-like panels bring the outside in - seamlessly transporting you to the outside world. Bifold doors have impressive high thermal qualities and are performance-engineered with a bottom-running track and wheel trolley system for a smooth and effortless operation. Visually striking, they are available in dramatic sizes of up to 20 feet wide and 10 feet tall. These doors are built with a five-point locking system for maximum strength, safety and security - all while offering a look of style and elegance. Merge the outdoors with the indoors with bifold doors and elevate your space.