FIELD: construction industry.
SUBSTANCE: protective hydraulic insulating screen consists of flexible protective material layers and dispersed mineral material layers installed on prepared surface to be insulated. Dispersed mineral material layer 5-7 cm thick applied to insulated surface as the first layer is made from mixture containing fine-grained sand and powder clays, and lime, with the following component ratio, wt %: sand 60-70, clay 24-28, lime 5-6, mineral or chemical complexing additions 1-2. Water-permeable flexible material layer and sand drainage layer 10-15 cm are located sequentially above dispersed mineral material layer.
EFFECT: preventing ingress of ground water, and reducing the cost of protective hydraulic insulating screen.
5 cl, 1 dwg, 1 tbl
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