Metal roofs may be more noisy during a heavy rain or hailstorm than other products depending on the type of decking used during installation (spaced or solid). Adding more attic insulation can sometimes solve this problem, but that may increase costs. Expansion, contraction and fasteners.

Five of the most widely-used metal roofing can be classified as aluminum, corrugated steel, standing seam metal, metal shingles, or stone-coated roofing. Knowing the pros and cons of each might help you make a better decision for your building. Read on to learn more.

Steel roofing is very lightweight with the heaviest product weighing about 1.5 pounds per square foot when installed. But aluminum is usually the lightest metal used for roofing. Its strength-to-weight ratio is among the highest of the “common” metals–that's why airplane designers use aluminum for air frames.