Asphalt shingle is stranger than it sounds.

An asphalt shingle is a type of wall or roof shingle that uses asphalt for waterproofing.

An asphalt shingle is a type of wall or roof shingle that uses asphalt for waterproofing. It is one of the most widely used roofing covers in North America because it has a relatively inexpensive up-front cost and is fairly simple to install.