FIELD: construction industry. SUBSTANCE: method involves mixing polymeric filler pellets with cement mortar or cement slurry. Hollow polyethylene pellets with water-tight enclosure may be used as polymeric filler. Pellets may be preliminarily treated with stone powder flow or stone-cement powder flow heated to temperature sufficient for penetration of powder flow grains into pellet enclosure nut insufficient for penetration through this enclosure. Heat-conduction coefficient for samples in their air-dry state is λ= 0.05 - 0.11 wt/m. K. Increase of this coefficient in water-saturation state of sample does not exceed 0.6% . EFFECT: high quality of light concrete and enhanced reliability in operation of method.
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