FIELD: chemical industry. SUBSTANCE: invention describes sound-absorbing coating composition for internal walls is applied by pulverization and comprises finely disintegrated cellulose fiber as filler, water-soluble cellulose and/or starch-based binder, water, and foaming agent. The claimed composition also comprises adjuvants, fireproof agents, pigments, pastes, dye flakes or moisture- resistant agents. Coating suppresses sound reflection, is nontoxic and has thermoinsulating properties. EFFECT: improved properties of the composition. 12 cl, 1 ex, 2 tbl
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