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Services
All Points Environmental Services is a full service, licensed and
certified mitigator of radon. We provide a wide range of options to
keep your house free of radon. From low cost effective systems to
specially designed systems that are hidden within the home. Our mitigation
systems are guaranteed to reach a safe level of below the recommended
4.0 pCi/L. All Points Environmental works with most major relocation
companies to provide testing and mitigation services. We are certified
to test and mitigate most commercial real estate. Call us for a free
estimate. Radon Resistant New Construction
When building your new home, why wait to have your house mitigated
until after construction is complete. 45% of all new construction
on the east coast is being built radon resistant. All Points can install
a passive or active system during the construction process. The necessary
piping will be hidden in the walls while the home is being built to
eliminate any of the system from intruding with the flow of the home.
Costs associated with the retrofitting an existing home are almost
three to four times more expensive. Talk with your builder about radon
resistant new construction.
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A. Gas Permeable Layer
This layer is placed beneath the slab or flooring system
to allow the soil gas to move freely underneath the house. In
many cases, the material used is a 4-inch layer of clean gravel. |
B. Plastic Sheeting
Plastic sheeting is placed on top of the gas permeable layer
and under the slab to help prevent the soil gas from entering
the home. In crawlspaces, the sheeting is placed over the crawlspace
floor. |
C. Sealing and Caulking
All openings in the concrete foundation floor are sealed to
reduce soil gas entry into the home. |
D. Vent Pipe
A 3- or 4-inch gas-tight or PVC pipe (commonly used for plumbing)
runs from the gas permeable layer through the house to the roof
to safely vent radon and other soil gases above the house. |
E. Junction Box
An electrical junction box is installed in case an electric
venting fan is needed later. |


In a real estate transaction, the indication for installing mitigation
is a test of 4pCi/L or higher. The lower the radon level (expressed
as pCi/L) the better and healthier your home’s environment will
be. Some private owners with levels between 2 - 4pCi/L will want to
pursue mitigation as a means to get the lowest result possible. The
long standing convention is that any level below 4pCi/L is acceptable,
and mitigation should achieve this result or lower. Only recently
has the suggestion been made that using mitigation to further reduce
the level may be a good investment in your family’s health.
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