FIELD: construction.
SUBSTANCE: method to produce a heat insulating fireproof construction material includes heat treatment up to 150-220°C of cellulose wool or loose wood sawdust, mixing with ground sludge of carnallite chlorinators, cooling of the mix to 40°C, its supply for moulding of the specified material by air spraying via an air duct with its wetting by water at the outlet from the air duct at the following ratio of mixture components, wt %: cellulose wool or loose wood sawdust 30-70, specified sludge of carnallite chlorinators 30-70.
EFFECT: development of environmentally pure material with simplified technology of manufacturing.
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