The typical thickness of the side walls, front wall, and roof of a dry van semi-trailer range between 0.039 inches to 0.151 inches (1-4 mm).
However, the floor thickness is usually thicker, averaging between 0.25 inches to 0.311 inches (6-8 mm), to withstand the constant wear and tear caused by cargo being loaded and unloaded, as well as movement during transit.
