These illustrations show the difference in the competitors arch style buildings and the Panel Steel Buildings, Q, S, P & A-Series Buildings. By using a tough, 50,000 PSI high strength cross corrugated steel panel vs. the competitors 36,000 PSI stretched panels, our buildings can be manufactured and engineer certified with much straighter sides. This also allows the S-Series, to be designed with a wide variety of widths and certified snow load without end-walls.