FIELD: manufacture of building materials. SUBSTANCE: method includes preparing compositions containing glass powders, sand-like silicon oxide, gasifier, and aqueous sodium silicate solution and granulation of this composition. Granules are placed into molds for foaming and heat treatment to form single foamed silicate block. Indicated sodium silicate solution is added in amount 15-23% on the weight of powders and granules are formed by balling. EFFECT: simplified technology and improved environmental safety due to reduced pulverulent emissions and lack of liquid wastes. 1 tbl, 9 ex
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