Asphalt Shingles are a type of roof shingle that uses asphalt for waterproofing. They are one of the most widely used roofing covers in North America because they have a relatively inexpensive up-front cost and are fairly simple to install.
A metal roof uses a roofing system made from metal pieces or tiles. Types: stone coated/low rib/standing seam.
Slate is a fine-grained, foliated, homogeneous rock that can be made into a type of roof tile. Natural slate is used by professionals as a result of its beauty and durability.