A very large selection of material for the construction of walls of houses. Consider the most common. Brick (silicate, hollow). Blocks (slag concrete, ceramic, lime — sandy and t. D.) beam, log. The most common and economical material today is a block. There are advantages this is a quick construction of the structure. It should be borne in mind that an additional layer of thermal insulation will be needed both inside and outside. Check for strength, and so that the hall does not include the hall. Recently, they often install bars on batteries to protect against children and animals.