In fact, aerated concrete is a universal building material that has absorbed the qualities of a tree and stone. He is easy, like a tree, and is also well lend itself to processing. It withstands heavy loads, like a stone, and is also not afraid of the harmful effects of water, not a grief. The cellular concrete won a high assessment and recognition not only in the North-West of the country, but in Estonia, in Finland and in the Russian North.