Waterproof membrane

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 27/12 (2006.01) B32B 27/32 (2006.01) E02D 31/02 (2006.01) E04D 5/10 (2006.01)

Patent

CA 2690057

Described is a waterproofing membrane that, in its most basic form, includes three layers - a flexible substrate layer, a pressure sensitive adhesive layer and a release liner layer. The flexible substrate comprises a woven polyolefin mesh coated on each surface with a polymer film. The polyolefin mesh includes a first plurality of polyolefin tapes extending in a major direction interwoven with a second plurality of polyolefin tapes extending in a cross direction.

L'invention concerne une membrane résistante à l'eau, laquelle, dans sa forme la plus basique, comprend trois couches - une couche de substrat flexible, une couche adhésive sensible à la pression et une couche de garniture amovible. Le substrat flexible comprend une maille de polyoléfines tissée revêtue sur chaque surface d'un film polymère. La maille de polyoléfines comprend une première pluralité de bandes de polyoléfines s'étendant dans une direction principale entrelacée avec une seconde pluralité de bandes de polyoléfines s'étendant dans une direction transversale.

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