Today we will try to show the main advantages of modern building material — aerated concrete. In the competence of many experts, the best building materials, today, is autoclave cellular aerated concrete. This building material has the optimal ratio of thermal conductivity, strength, reliability, durability, environmental and fire safety, vapor permeability, etc. D. Specialists professionally engaged in the construction of houses from this building materials can talk for hours about the advantages of aerated concrete over other building materials.