FIELD: construction.
SUBSTANCE: invention relates to sheet (100; 200; 300; 600; 700) intended to provide water impermeability to walls and attic part of buildings made from fibrous material; comprising bearing layer (1; 701), watertight membrane (2; 22; 702), wherein said bearing layer and said membrane are connected to each other over their entire surface; additive having antibacterial, antifungal, fungicidal and insecticidal properties, where at least one of said bearing layer (1; 701) and said membrane (2; 22; 702) contains said additive, wherein said additive is a mixture containing: quaternary ammonium, derivatives of isothiazolone, permethrin.
EFFECT: disclosed is a sheet intended for providing water impermeability of walls and attic rooms of buildings.
16 cl, 6 dwg
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