- Visit our website for more great instructional videos: https://dupray.com/steam-cleaning-videos/- Don't forget to check out the rest of our "How To" videos: http://tinyurl.com/qcqsbpaDoorway tracks are generally very difficult to clean and traditional solutions require either chemical products or long hard work. Steam cleaning technology represents a solution that is quick and efficient as you can see in this video. Here we use the Dupray Hill Super Inox on the high setting as well as the lance and the brass brush. Gently brush along the doorway tracks and watch all the dirt and grime literally melt away and disappear from the surface. The high temperature will also dissolve any pieces of gum residues that might be stuck in between the tracks. You can now restore your doorway tracks to new in minutes with steam cleaning technology.