In the United States, the dimensions of a standard brick are about 8 inches by 3 ? inches by 2 ¼ inches. These figures are given by the American Society for Testing and Materials.
Bricks are used in masonry construction, and they are made of either concrete or clay, sand and lime. Bricks can be hardened by fire or air-dried. Fired bricks are considered one of the strongest and longest-lasting construction materials, and they have been used since around 5000 B.C. Bricks are arranged in courses and patterns called bonds, together known as brickwork. Various kinds of mortar are also used to hold the bricks together, resulting in a durable structure.