FIELD: chemistry.
SUBSTANCE: invention pertains to production of foam concrete. The crude mixture for making foam concrete contains the following, wt %: portland cement 35.0-39.0, thermal power plant ash 36.0-40.0, air-entraining extraction colophony resin 0.2-0.24, carboxymethyl cellulose 0.01-0.02, superplasticiser S-3 1.0-1.4, technical lignosulphate 0.2-0.3, ethylhydrosiloxane polymer 0.06-0.1, water - the balance.
EFFECT: high strength of foam concrete.
1 tbl
