You can also find a business that is shutting down and has portable diamond skid plates for moving stuff between trucks and docks. Can be cut to size and bent relatively easily, simple to weld stuff to and tougher than most anything out there. I have one for a shooting range backdrop. FMJ 30.06 will ding it so I prohibit FMJ rounds. .50 desert eagle will not touch it. I used part of one for my tractor bucket blade replacement as well. Look in a junkyard too. A high quality steel, does not rust to speak of and can be plated for those who need pretty..