Moisture-permeable composite sheet for water-proofing concrete

Details Moisture-permeable composite sheet for water-proofing concrete Moisture-permeable composite sheet for water-proofing concrete

B - Operations, Transporting

32

B

B32B 3/24 (2006.01) E02D 31/02 (2006.01) E04D 5/12 (2006.01) E04D 12/00 (2006.01)

Patent

CA 2188016

Disclosed is a vapor-permeable and waterproof sheet to be applied to a concrete surface in waterproofing the surface of concrete. This waterproof sheet has the structure such that a protective cloth is laminated on a one surface of a polymer film having water repellency and vapor permeability and fixed thereto by partial fusing or bonding and a lightweight and flexible sheet having a number of air-permeable-pores is laminated on another surface of said polymer and fixed thereto by partialfusing or bonding.

Une feuille perméable à la vapeur d'eau mais imperméable à l'eau peut être appliquée à une surface en ciment pour la protéger de l'eau. Elle a une structure dans laquelle un tissu protecteur perméable aux gaz et ayant des propriétés amortissantes est fixé sur une des surfaces d'un film polymère hydrophobe mais perméable à la vapeur d'eau, par fusion partielle ou adhésion. Une feuille flexible légère, ayant un grand nombre de pores pour les gaz, est stratifiée et fixée sur l'autre surface par fusion partielle ou par adhésion.

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