Established Green Concrete Waterproofing Technology Reaches Important Milestone

Xypex® Chemical Corporation’s Concrete Waterproofing by Crystallization™, a technology used in more than 70 countries to waterproof, protect and repair concrete for a wide variety of new and existing applications, celebrates 40th anniversary.
By: LarsonO'Brien
 
 
June 21, 2011 - PRLog -- Contact: Nick Murosky, LarsonO’Brien Marketing Group
Phone: 412.831.959 x123 E-mail: nick@larsonobrien.com

Contact: Les Faure, XYPEX Chemical Corporation
Phone: 604.273.5265 E-mail: les@xypex.com

Photos:  http://lopressroom.com/xypex/established-green-concrete-waterproofing-technology-reaches-important-milestone

Established Green Concrete Waterproofing Technology Reaches Important Milestone
Xypex® Chemical Corporation’s Concrete Waterproofing by Crystallization™ Celebrates 40 Years of Use in More than 70 Countries

VANCOUVER, BC… An established green technology to waterproof, protect and repair concrete structures for a wide variety of new and existing applications – Xypex® Chemical Corporation’s proprietary Concrete Waterproofing by Crystallization™ – has reached a significant milestone: its 40th year of use in thousands of construction projects around the world.

Four decades is a period traditionally cited in the construction industry as the “proof” of a sophisticated technology’s effectiveness. The Xypex Crystalline Technology is judged to be one of the most effective, efficient and economical solutions to protect concrete from water ingress.

Xypex has been observing the technology’s 40th anniversary in stages, reflecting the fact that, since 1970, the technology has been has been successfully specified in more than 70 countries.

Xypex Waterproofing by Crystallization uses concrete’s inherent water permeability to deliver crystalline chemicals that plug the material’s pores and bridge micro-cracks that occur as the concrete dries and shrinks.

The crystalline waterproofing chemistry can be easily introduced into new concrete as an admixture, a dry-shake product, or a surface-applied coating. For existing (i.e., cured) concrete, surface-applied coatings are used.

Because concrete is permeable to liquids and gases, porous conditions can create multiple problems within a building or other structure due to moisture penetration. The infiltrating water, and harmful chemicals dissolved within, also can compromise the concrete.

The Xypex Crystalline technology uses water in the capillary tracts as a diffusing medium to carry waterproofing chemicals into the concrete. The chemicals migrate through the waterways of the saturated pore network, where they react and grow non-soluble, needle-like crystals that plug the pores. Within a few weeks of crystal growth, liquids can no longer pass through and the transmission of gases is significantly restricted.

The effect is permanent. In fact, the technology will even self-seal new micro-cracks if and when they occur years after the original application, a fact referenced in a November 2010 report (ACI 212.3R-10) by the American Concrete Institute®.

The ACI report also notes “the crystalline deposits develop throughout the depth of the concrete and become a permanent part of the concrete mass… [and] resist water penetration against hydrostatic pressure.”

The Xypex crystalline technology delivers an integral waterproofing system without the exposure disadvantages (from tearing or detachment) presented by external barrier/membrane solutions. It also is generally less costly and more convenient than external barrier approaches.

Crystalline Waterproofing protects the environment from contamination caused by wastewater leakage and makes the construction process greener by eliminating the need for membranes manufactured with plastics, asphalt, polymer resins, solvents, aromatics and other materials with high energy manufacturing costs.  

The Xypex Crystalline Waterproofing Technology is non-toxic, contains no VOC's (volatile organic compounds), and is NSF-61 approved for potable water by NSF International, a widely-accepted, independent source of public health and safety standards around the world.

Xypex Chemical Corporation (www.Xypex.com) is one of the world’s leading manufacturers of products to waterproof, protect and repair concrete structures, a proven solution for both new and existing applications. Since 1970, the Xypex family of diverse products has evolved around the proprietary, groundbreaking Xypex Concrete Waterproofing by Crystallization™ technology, which set a new international standard of excellence and brought effective, efficient and economical concrete waterproofing to thousands of projects around the globe. Applications include Building Design and Construction; Water & Wastewater Treatment; Water Holding; Below Grade Structures; Tunnels; Bridges; Marine Structures; Dams, and more. Headquartered in Vancouver, BC, Xypex sustains a distribution and service network in more than 70 countries.

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Xypex Chemical Corporation is one of the world’s leading manufacturers of products to waterproof, protect and repair concrete structures, a proven solution for both new and existing applications.
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