Concrete blocks in proportion to the AAC block features of God are, and that makes engineers and contractors in areas of very dry and warm from the blocks to use. The benefits of this substance can be quickly the top of the wall, the Chinese under the placement, regular, and normative components on each other, and reasonable prices, it noted, while the lesions this phenomenon at the time of shipment and of such low resistance it against the moisture of the disadvantages of these components.