The lower the number, the thicker the metal roofing material. The thickest gauge of 22 will often cost between $10 and $25 per square foot whereas thinner gauges—more commonly used on sheds and ...
One of the cheapest roofing materials is galvanized metal, as it's easy to install and made to last in all sorts of weather. Be sure to finish your shed with a healthy coat of exterior paint to ...