Three-dimensional reverse tanking membranes

Details Three-dimensional reverse tanking membranes Three-dimensional reverse tanking membranes

B - Operations, Transporting

32

B

B32B 3/26 (2006.01) E04G 15/06 (2006.01)

Patent

CA 2558175

Shaped waterproofing membranes having three-dimensional contours are useful for the "reverse tanking" waterproofing of detail areas such as those presented by "tiebacks," pipes, pile caps, and other irregularities that occur on concrete formworks and other civil construction or building surfaces. A preferred method for making such membranes is to thermoform a membrane laminate, having a carrier support sheet, waterproofing adhesive, and optionally a protective coating layer, as a single unit.

L'invention concerne des membranes souples façonnées à contours tridimensionnels, s'utilisant pour l'étanchéification par <= cuvelage inversé >= de zones particulières, du type de celles constituées par des <= tirants d'ancrage >=, des tuyaux, des semelles sur pieu et autres aspérités intervenant dans des coffrages de béton et dans d'autres surfaces de construction civil ou de bâtiments. Un procédé préféré de production de telles membranes prévoit de thermoformer un laminé membranaire présentant une couche support porteuse, un adhésif d'étanchéité et éventuellement une couche de recouvrement protectrice, en une seule unité.

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