Homeowners should conduct a radon analysis after installing the mitigation system to confirm that it has decreased the amount of radon in their air. Most states require a post mitigation test. This test must be performed within 30 days after the installation of a mitigation system. An experienced contractor, or certified tester can perform the test.
Several mitigation techniques are available in the market today. Sub-membrane is the most efficient method. It involves installing a reinforced concrete liner above the earth floor as well as a fan system and ventpipes. If you're not willing to install a radon mitigation system yourself, it's wise to seek the help of a qualified radon mitigation contractor.
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Radon is an environmental radioactivity that can cause lung cancer.
Fortunately, there are a number of ways to mitigate the exposure to radon.
The sub-slab despressurization system is the most commonly used method.
A fan and PVC pipe are used to extract radon from soil.
The system vents the gas safely above the roof.
It quickly dissipates the gas from the airflow system.
Another common method to reduce radon in your home is soil depressurization.
They can also be placed under or in the basement.
These systems don't usually require major home renovations.
Some systems are also compatible with crawl spaces.
For your safety and that of your family members, you should find radon mitigation certified contractors.
Seek out their certificates and credentials.
Check that your work is in compliance with the National Radon Safety Board standards.
You should also read your contract carefully before signing anything.
Unsuccessful installation can raise radon levels which will lead to more expensive repairs.
A radon mitigation system should be tested after installation and again after repairs, so you can ensure it's working properly.
It is important to test the mitigation system within two or three days of installation.
It is possible to hire an independent testing company for the test.
Alternatively, you can contact a radon mitigation company to perform the testing for you.
Radon levels can be reduced by sealing off major openings between the home and the ground, such as basement floor drains. This image describes how a floor drain trap can reduce radon entry.
In a house with forced air heating and cooling, radon gas can easily be distributed throughout the entire dwelling. When radon gas is discharged via a radon mitigation system above the roof, the radon concentration falls off dramatically with distance from the point of discharge.
Radon levels are usually higher in basements, cellars and living spaces in contact with the ground. However, considerable radon concentration can also be found above the ground floor. Radon concentrations vary considerably between adjacent buildings, as well as within a building from day to day and from hour to hour.