f****u
发帖数: 64 | 1 First time home buyer and we like the house. But we have a 2 year old who
might spend some time in the finished basement. Is it a big issue? Will the
mitigate fix the problem? Anything else we need to check? Say, water. Thanks | c******7
发帖数: 2586 | 2 our reading was at 2.1 I think, basically 4.7 is right around the state
limit 4 pCi/L so you are not off too much.
If you still want this house 4.7 reading could force seller to spit out some
serious cashback, so make sure you leverage this. There are several ways to
lower your Radon readings:
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. This gas-permeable layer is used only in
homes with casement and slab-on-grade foundations; it is not used in homes
with crawlspace foundations.
B. Plastic Sheeting
Plastic sheeting seams sealed 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 below-grade 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 (or other gas-tight pipe) 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 included in the attic to make the wiring and
installation of a vent fan easier. For example, you decide to activate the
passive system because your test result showed an elevated radon level (4
pCi/L or more). A separate junction box is placed in the living space to
power the vent fan alarm. An alarm is installed along the vent fan to
indicate when the vent fan is not operating properly.
Reference: http://www.epa.gov/radon/pubs/hmbyguid.html#2.a.
You might want to try this too:
http://www.mitigationsystem.com/massachusettsradon.html?crtag=Google1
Or http://www.servicemagic.com and type in Radon removal
You should also try out angieslist | f****u
发帖数: 64 | 3
some
to
is
【在 c******7 的大作中提到】
: our reading was at 2.1 I think, basically 4.7 is right around the state
: limit 4 pCi/L so you are not off too much.
: If you still want this house 4.7 reading could force seller to spit out some
: serious cashback, so make sure you leverage this. There are several ways to
: lower your Radon readings:
: 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. This gas-permeable layer is used only in
: homes with casement and slab-on-grade foundations; it is not used in homes
| b*****t
发帖数: 1276 | 4 no big deal if you really love the house. Just keep a basement window open a
small gap, you will be fine. Maybe you need the air circulation anyway. i
used to keep the basement window all shut, then the moisture and smell, so i
have to turn on the dehumidifier. now i keep one winow open a little bit,
it doesn't have the bad smell and no need the dehumidifor.
i would not do any of those mitigation system on a value of 4.7
of course it does't hurt to ask for some money off from the seller. | S*******s
发帖数: 10098 | 5 Not a big deal. If you're worried, apply radon mediator.
the
Thanks
【在 f****u 的大作中提到】
: First time home buyer and we like the house. But we have a 2 year old who
: might spend some time in the finished basement. Is it a big issue? Will the
: mitigate fix the problem? Anything else we need to check? Say, water. Thanks
| Y******e
发帖数: 994 | |
|
