First of all, the brick varies depending on what material it is made of. The explanatory dictionary is determined by the concept of “brick” as “a piece of burned clay”. However, at the moment, manufacturers began to make it even adding clay crumbs. According to the state technological standard, clay bricks are called ceramic. Such bricks are made of clay, or a mixture of several types of clay. Clay after firing becomes a traditional red color. There are rare varieties of clay, from which bricks are apricot or white. And multi -colored bricks are not bricks in fact. This is a silicate brick consisting of sand, lime and various additives. Such brick has completely different properties. Also, silicate brick has another technological standard. It is used, as a rule, for finishing work. For the foundation it is not suitable.
