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Old 06-01-11, 09:28 AM   #63
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Join Date: Nov 2009
Location: Northampton MA
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I hear ya on the radon not making it through the PVC but unless you have quite a bit of grade to keep the condensation from either stagnating or draining to the house. Otherwise you need to drill weep holes which will let the radon in. I've heard that if you have 50' of grade you don't even need a fan as convection will move the air. It's a pretty interesting technology.
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