FIELD: production of decorative pieces imitating natural stone materials. SUBSTANCE: aim is production of flat glancing surface without grinding and polishing operations usage. Concrete mixture is prepared, cast in formwork, on tray of which polyethylenetetraphthalate film of 50 - 250 mcm thick heated up to temperature of pieces thermal moisture treatment is preliminary laid. Pieces are removed from tray after they achieve definite strength equal to 50 % of final /mark/ strength. EFFECT: method allows to exclude operations of grinding and polishing. 2 cl, 1 tbl
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