Solutions for homes with a crawl area, no crushed rock under the slab (usual in older houses), or an entirely finished basement, lower degree, a garage attic room installment, and so on might cost more. Radon can not be seen, scented, really felt, or otherwise detected, aside from with a test. That's why, according to the EPA, the only method to recognize for sure if you have a radon issue is to test. This technique utilizes suction points that are pierced in the subslab (normally 4 to 6 inch holes that resemble hollow pits).
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