FIELD: manufacture of building materials. SUBSTANCE: mix designed for use when laying floors or filling wall pits is composed of, wt %: cement, 31.5-72; aluminum powder 0.05-0.12; polyethylene oxide with molecular weight (4.1-6.0) •106, 0.001-0.01; and water, the balance. Mix can also contain sand at its ratio to cement (0.3-0.5):1. EFFECT: increased building quality and serviceability. 2 cl, 2 tbl
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