That seems like a wide value vary, although the variety for asphalt shingles might be even broader. The ideal asphalt shingles can cost 3-four instances the price of the cheapest option. The steel sheets make the right substrate since they can easily be “stamped” into a wide variety of styles. https://stone-coated-roof-tiles83716.madmouseblog.com/19394151/stone-coated-roof-tiles-options