Successful Radon Mitigation In Denver CO

by T. Miller
(Denver Colorado)

Outdoor Installation

Outdoor Installation

It Works!

Radon levels down from 44 pCi/L (pre-fix) to a safe 3.3 pCi/L after fan on
for about 3 days (per my Safety Siren PRO SERIES 3 Radon Gas Detector).

RADON Gas has a half-life of 4 days, so It will take about 2 weeks for
residual RADON GAS levels to drop down (to almost gone).

This AM, I finished sealing the floor/wall crack edges around almost all of
basement . . . big furniture in way of last 10%. . . My slab is now sealed
pretty air tight for a strong vacuum draw sucking from the Radonaway RP145
Fan . . . I'm glad we upgraded the fan size ( due to higher radon gas start

THANKS for your help!

T. Miller

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Jan 10, 2010
Great example of an outside radon system!
by: Val

All aspects of this outside radon mitigation system where completed to recommended specifications. Electrical work, condensation bypass and a varmint guard will keep this system running well beyond the 5 year warranty on the RP145 fan from Radonaway.

Great job Tom!

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