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Does the vent pipe have to go past the roof?

Yes. The Radon Mitigation Standards require the vent pipe to discharge above the roof. Vents that discharge underground or out through a wall, or under a deck are non-conforming systems and should be corrected. Companies installing non-conforming radon systems should be reported to your State radon office.

All content and photos © copyright 2007-19 by Henri Boyea, Radon Control Products.
Not to be re-published without written permission.