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Xypex® Concrete Waterproofing Admixture used for “The Shard,” Tallest Building in Europe
New Renzo Piano Skyscraper Opens in London Just Ahead of Summer Olympics. The Shard, named by its creator for its resemblance to a giant pyramid-shaped shard of glass, rises 1,016 feet (310 meters) in the air.
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Contact: Les Faure, XYPEX Chemical Corporation
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VANCOUVER, BC… Xypex® Concrete Waterproofing through Crystallization™
The Shard, designed by Renzo Piano, replaced Southwark Towers next to London Bridge station. As of now, it is the tallest building in the European Union, and boasts 1.2-million sq ft of mixed-use floor space.
Xypex C-1000 admixture was used to waterproof capping beams and other elements of the building.
The Shard is a mix of office, retail, and luxury hotel and apartment space. A gallery at the top open to the public offers 360° views extending as far as 60 miles on clear days.
When the British government gave its blessing for the project, the Office of Deputy Prime Minister called the tower an example of “exceptional design” and “the highest architectural quality.”
Xypex Chemical Corporation’
The technology–successfully used in projects around the world for more than 40 years–exploits 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 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.
Any infiltrating water, and harmful chemicals dissolved within, 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.
Crystallization becomes an integral, permanent part of the concrete matrix. The technology will even self-seal new micro-cracks if and when they occur years after the original application. The treated concrete withstands high hydrostatic pressure from both the positive and negative side.
Xypex Chemical Corporation (www.Xypex.com)