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4' x 25' roll

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Cetco Coretex - APC Waterproofing Geotextile


Coretex is a unique low permeable, hydrophilic waterproofing product that utilizes an Active Polymer Core (APC) technology that is less permeable and more chemically resistant than traditional active waterproofing membranes. Coretex works by forming a low permeable membrane upon contact with water. When hydrated, unconfined Coretex can swell many times its dry volume. When confined under pressure from backfill or concrete, the swell is controlled, forming a dense, impervious waterproofing material. The swelling action of the Coretex can selfseal small punctures and cuts in the product resulting from installation activity. Coretex weighs less than half that of other membranes allowing quick and easy installation. Coretex contains zero VOC, can be installed in almost any weather condition to green concrete.


Coretex is designed primarily for use as a detailing product for CoreFlex, Ultraseal and Voltex waterproofing membrane system applications. It is also used in conjunction with conventional thermoplastic sheet waterproofing membranes to provide a means of self-sealing in the event that the thermoplastic waterproofing membrane is punctured or otherwise compromised. Typical applications include tunnels, under slabs,plaza decks, backfilled walls, and propertyline construction.

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