What is Radon Mitigation?
If your radon test result is 4.0 pCi/l or higher the USEPA recommends that you take action to reduce your home’s indoor radon levels. Don’t worry! We can lower the radon levels in ANY home to below 4.0 pCi/l. The two most common methods of radon reduction are the passive method and the active method.
With this method we will seal any obvious radon entry routes such as ground water sump pits, cracks in the basement floor and wall/floor joints, and gravel crawl spaces. The USEPA does not recommend the passive method to reduce radon levels because, by itself, sealing has not been shown to lower radon levels significantly or consistently. This method is not guaranteed to lower radon levels and is not a permanent solution.
The most common radon reduction system that we install is called a sub-slab ventilation system. This is the preferred solution for lowering elevated radon levels and it is the solution recommended by the USEPA. This system will prevent radon gas from entering the home by ventilating the radon gas from underneath the home using pipes and a fan. The sealing described in the passive method above is included in the work performed when installing the active system. The sub-slab ventilation system is guaranteed to lower the radon levels to below 4.0 pCi/l in any home. A majority of the time our systems lower the radon levels in homes to below 2.0 pCi/l.
Refer to the following drawings and photos to understand how the system is installed and operates.
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