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Posted by John Gilmer on March 1, 2007, 10:26 pm
> On Feb 28, 9:22 am, end...@gmail.com wrote:
> > I just had a radon remediation put in and it dawned on me that this
> > vacuum effect could actually pull water up and into the basement in
> > the spring. Is the fan powerful enough to do that?
> >
> > Any feedback is appreciated.
>
> For that to happen your ears would pop when the fan was running and
> even some single pane windows might collapse. In other words, the laws
> of physics apply here: the pressure differential between outside and
> inside that might affect the water table is minute. Take of your roof
> runoff, outside grading and you will be OK. HTH
>
What I have seen of a radon "remediation" job, it seems "they" drill some
holes in the slab and apply vacuum. Seems to me that if there was any
water under the slab it might be sucked up a few inches. The vacuum isn't
applied to the living space but to the underside of the slab.
If you have ground water problems and a sump pump, the odds are that the
water will tend to collect it and the sump pump will set in outside.
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