Its estimated that one in fifteen homes experiences high levels of radon gas. This gas is known to cause cancer and claims 21,000 lives a year nationally. There is no national requirement to test for radon, though it can be found in every state. Radon gas is colorless and odorless and is the second leading cause of lung cancer in the US alone. Published studies have concluded that your chances of contracting lung cancer from minute radon concentrations increased by 11 to 21 percent over an exposure period of 5 to 30 years. The gas finds its way into your living environment from cracks and holes in foundations. Every homeowner should test for radon, this can be done professionally or through home testing kits available at DIY stores. Mar-flex offers the new UltriSeal product to combat this serious threat. UltriSeal can be applied to any concrete surface and is guaranteed to protect against radon gas penetration through your foundation.