Planning For Radon Mitigation – Simple DIY Project
The prevalence of Radon Gas in the soils in areas around the United States is an issue of growing concern. Radon has been deemed the number 1 cause of lung cancer in non-smokers in a study done at the University of Iowa. Radon gas is found in varying levels in almost all regions of the country.
Radon Risk In Your County
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Radon Map Zone areas in pink pose the highest risk followed by Orange and Yellow. Click here to check the specific Radon risk level in your county.
Radon Zone Map
Areas in red have the highest potential exposure, Orange second and Yellow, the lowest potential, but all araas in the US can have isolated pockets of varying exposure. The EPA recommends that all homes should be tested. If your home building project is in an area of higher risk, you should plan early to install a Radon Mitigation System. In many areas now, a test is required with each real-estate transaction regarding residential properties and this will probably expand to include most of the higher risk areas. In any event, your health is well worth the small investment to install such a system.
Active And Passive Radon Venting Systems
This video explains one method of actively venting through the garage of an existing home:
So you will want to have the slab penetration in an area that is readily accessible and has electric available to power the fan. There is a new option called Form-A-Drain, which is a PVC system that functions as a concrete form, hydrostatic water drain and radon venting system all in one.
Many times the fan is located in the attic, particularly if your foundation is slab-on-grade or crawl space. Also remember that you will want to make sure that the vent through the roof does not allow water to fall down the pipe to the slab below, this would not be a good thing for several reasons.
Designing and installing the infrastructure for a passive system can be accomplished for about $250 to $350 in a typical new home. This will save you 400-500% of the cost of retrofitting. An active system will add $450-$750 depending on the size of your hew home.
Download an 84 page guide on the design and construction of Radon Mitigation Systems. It is free for registered users of the site. Enter your e-mail address in the “Enews and Updates” box in the top right hand column to register. We do not share your address with anyone outside of DIY Green Home Improvement or Archeon, Inc. Once you have registered, go to the download page and download your copy of “Design Radon Out”.
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