FIELD: building industry, more particularly manufacture of wall units and stones. SUBSTANCE: raw mix consisting of portland cement, silicic filler, pore-forming additive and water and complex additive comprising aluminium sulfate, semianhydrous gypsum, alkali metal carbonate and calcium chloride. Pore-forming additive comprises foaming agent based on secondary sodium alkylsufates, ratio of components being as follows, wt %: portland cement, 31- 56; silicic filler, 16-44; foaming agent based on secondary sodium alkylsulfates, 0.05-0.15; aluminium sulfate, 0.05-2.5; semihydrous gypsum, 1.4-6.8; alkali metal carbonate, 0.05-1.8; calcium chloride, 0.05-1.4, and water, the balance. EFFECT: shorter technological cycle and greater strength of the product under normal conditions. 4 cl, 2 tbl
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