Being made from clay and shale brick is most abundant and natural material on earth. Bricks have been used for building innumerable structures over many thousands of years because of their durability. The reason why the brick turns into such a durable material is that, when fired through a kiln at up to 2000 degress, clay unit goes through a vitrification process which fuses the clay particles together. Unlike other materials, brick is very user and... read more