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Why vent radon thru roof ? How about 4 equally space 2″ vent in foundation corners.

Charles Moyher | Posted in General Questions on

If you vent on all four corners of foundation, why vent to the roof with 1 4″ pipe

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  1. mike maines, so me. zone 6a | | #1

    Charles, bringing the vent out through the roof uses the stack effect to help draw radon out. Using sub-slab drains works and is allowed but it's not considered as effective as venting through the roof.

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