CWS100 is a biochemically modified sodium silicate, in liquid concentrate form, which is sprayed onto cured concrete. It forms a barrier inside the top 15-20mm of concrete which waterproofs and protects the concrete for the design life of structure. It is sprayed on both horizontal and vertical surfaces.
CWS100 reacts with calcium and water, to form an insoluble gel that seals static cracks in the concrete up to 2.2mm (0.087″) and, when used with concrete mixes that do not contain type F fly ash, it will remain reactive in the concrete to seal future hairline cracks in the presence of water.
Unlike waterproofing membranes which typically last for 10-20 years before requiring a disruptive and expensive replacement, CWS100 is ONCE ONLY WATERPROOFING that will continue to waterproof for the entire life of the project.
Because of its ability to withstand thermal stress and its super-fast application CWS100 is generally suitable for exposed concrete such as:
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