Sliding glass barn door with V1000 sliding system. A sliding glass barn door separates rooms from each other, provides privacy, and is space-saving. Annoying door slamming is a thing of the past, as this sliding door runs over smooth-running rollers. The door is easy to install, durable and robust. This 1-leaf sliding glass barn door is delivered with an easy-to-install V1000 sliding system. All our sliding doors are 'top hung' which means the door is hung into the top rail with two trolley hang