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 ...

Roofing materials come either by the square foot, by the bundle or by roofing square—a 10 ft by 10 ft slab of ... options such as asphalt shingles and metal roofing, you’ll spot the difference ...