FIELD: manufacture of building materials. SUBSTANCE: manufacture and porization of mix is effected in mixer when agitating components of ionic and nonionic surfactants or their modifications, water, cement, nonground sand or ash at water-solids ratio 0.28-0.6. Agitation is performed with central and peripheral vertical shafts rotating in opposite directions relative to central axis of the mixer with speed 90-150 and 900-1200 rpm, respectively. EFFECT: achieved density 700-800 kg per cubic meter and strength 38-52 kg per square meter. 4 cl, 1 tbl
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