On average, metal roofing costs between $5,500 and $15,000.On average you can expect to spend about $10,000 as a midpoint to this range. Of course, this can vary dramatically depending on things like your home’s square footage the type of materials and fasteners you choose, and the pitch of your roof. Revolutionary War financier and innovator Robert Morris introduced sheet iron reduced at his own Trenton, New Jersey rolling mill…