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How To Stop Radon Gas in Basement Foundation Walls


Radon is a colorless, odorless, radioactive gas. It forms naturally from the decay of radioactive elements, such as uranium, which are found in different amounts in soil and rock throughout the world. Gases in the soil and rock can move into the air and into underground water and surface water.stop radon gas

Ways radon gas enters home

The image above shows examples of where radon gas can enter into a home. Cracks in the floors or walls are prime areas that gas enters from.

The Chargar Epoxy Waterproofer has been used by major universities to coat walls and floors which have cracks in the masonry surface. The epoxy is applied with a brush in a 15 mil film.  As a result, the gas can no longer permeate into the basement. Epoxy Waterproofer is not a breathable coating and will not allow radon gas to pass through it or moisture.  Once cured the epoxy can be left as is, it can be painted or hidden with the installation of flooring or carpet.  For more information email or call 1-800-922-463