The differences between metal, copper and zinc may not be entirely apparent. Collectively, they are all known as metal roofs, but the distinguishing feature comes in the fact that traditional metal roofs are either steel or aluminum. Copper and zinc outperforms traditional metal in terms of style, pliability and durability, however the price difference of traditional metal compared to its counterparts keeps it a lucrative choice for business and home owners alike.

With any type of metal roof, underlayment is of high importance. Felt paper is never recommended as the heat will cause the panels to stick to the felt and hider the natural expansion and contraction all metal roofs go through. There are special underlayments specifically designed for metal roofs, so if you are in the market for a metal roof, make sure the potential roofer uses the right type.

The method used to fasten the panels to the roof should also be checked carefully. Fasteners that are driven directly through the panel will not only prevent the panel from its natural expansion and contraction, but each hole will also become a potential leak. Metal roofs should be installed using side-brackets, which will allow the metal to move while keeping it firmly in place. These are also known as standing seam panels.