Building material is any material which is used for construction purposes. Many naturally occurring substances, such as clay, rocks, sand, and wood, even twigs and leaves, have been used to construct buildings. Apart from naturally occurring materials, many man-made products are in use, some more and some less synthetic. The manufacture of buildin... Found on http://en.wikipedia.org/wiki/Building_material
(from the article `building construction`) The history of building is marked by a number of trends. One is the increasing durability of the materials used. Early building materials were ... [5 related articles] Found on http://www.britannica.com/eb/a-z/b/126