Web22 Aug 2011 · He installed a radon reduction system called an active subslab suction or subslab depressurization system. It was a challenging installation because our house sits on the lowest spot of our neighborhood in heavy clay and the soil underneath the slab was wet in all the locations he tested. WebSub-Slab Depressurization (or Sub-Slab Suction) is a radon remediation method that removes radon-laden air from beneath the foundation and vents the radon gas outside the home. This method works by installing a …

Radon Mitigation Methods - Comparison - RadonSeal

WebThe most efficient and economical type of radon mitigation system relies on a process called sub-slab depressurization. The system includes one or more suction points in the … WebThe VaporDrain device uses a mechanical brass valve to create an air tight seal when water is not flowing into the drain. This seal prevents gasses (including radon) from rising up out of the drain, and also prevents conditioned air from being drawn into the drain from sub-slab suction of a radon mitigation system. royal savoy members club

Development and test of a combined radon sub-slab suction and sub-slab …

WebThe most popular and usually most reliable exterior radon mitigation method is active sub-slab suction, also known as sub-slab depressurization. Here, one or more suction pipes … WebWeather Plays a Role – If you have a passive sub-slab depressurization system, the radon level often depends on the weather, like temperatures and wind speed. Play it safe and seal your concrete. ... Call a Radon Specialist … WebIt's possible you're moving enough air to do the trick considering 7.0 isn't an enormous number. If you're still above 4.0 pCi/L try removing even more dirt to extend pressure field. At worst it'll be necessary to install drain tile under the concrete slab either down the middle or around the perimeter back to your original suction point. royal saxe germany plate