Polyboard in sheets will protect the walls of your trailers against the impacts of forklift. Polyboard is also available in border of several widths and thicknesses and in 26 feet and 6 inches long, or even of 53 feet where only the bottom of the trailer needs protection. We have an inventory of borders in 3/4 inch of thickness, 16 inches wide by 26 feet and 6 inches long.