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0answers
42 views

How should I seal and insulate a crawlspace to mitigate radon and allow for storage in the space?

Background: I recently bought a house built in 1996. It has a 1480sq ft (approx) living area, which is the same as the crawl space size. The location is in the Kansas City metro area. The yard is ...
0
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2answers
56 views

Radon test results came back as 1.7 pCi/L, is it safe to exercise in my basement?

My Pro-Lab Analysis Report just came back and it says that my basement has 1.7 pCi/L (Picocuries), the average result of both tests. The basement is the only place I have to exercise, so I'm ...
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1answer
31 views

Sump is sealed for radon remediation and doesn't drain water. What can I do for water drainage?

Yesterday our 80 gallon water heater (less than 5 years old) ruptured - flooding our basement. Situated right next to the water heater is our sump - but it didn't do 1 ounce of its job, because it is ...
1
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1answer
49 views

Do I need to close the windows and doors in the entire house when doing a radon test?

I'm trying to perform a home radon test, the first step in the instructions for the Pro-Lab Radon Gas Detector Kit read that I need to close all the windows and doors for 12 hours before hand. Do I ...
2
votes
1answer
47 views

Is a large change in radon test results normal?

I am selling my home in Georgia and just had a Radon test result of 7.0 as part of the buyer's inspection. When I moved in 10 years ago the test result was only .9. Is this much change normal or ...
2
votes
1answer
92 views

how can I reduce manganese, hardness, radon, and prescence of coliforms in well water?

I'm purchasing a home in NH and just received my comprehensive water test from the inspector. Here are the marks I'm most alarmed at. Hardness 264 (want it under 75) Manganese: .51 (want it under ...
0
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0answers
32 views

Radon sealant on the basement floor, when does it need replacing?

Our house is 30 years old, when we bought last year the Radon mitigation system was 12/15 years old no one really knew. When cleaning the basement it got me thinking how long these things last? We ...
3
votes
3answers
850 views

What is the liquid in a Radon U-tube Manometer?

What is the liquid in a radon U-tube Manometer? I'm assuming that it's not water because of evaporation. Mine is clear in color, but I've been reading that it's normally blue or red. Is it a ...
1
vote
1answer
361 views

How can I build my own water aeration system for radon mitigation?

My house has a well. The well pumps water into a pressure tank in my basement. The pressure tank sends the water through a small whole-house filter and into the plumbing. I have high radon levels in ...
2
votes
3answers
859 views

Vented vs unvented crawl space

I've asked this question before: Vented vs unvented crawl space However, now that I'm going to get air conditioning the question comes back again and again people seem to have different opinions. ...
0
votes
1answer
113 views

Can I use an air to air heat exchanger to fix a radon problem?

I tested my basement for radon, and found that it was twice the allowable level (8 pCi/L). Can I use an air-to-air heat exchanger to reduce the radon level, and to pump fresh clean air into my ...
8
votes
1answer
820 views

My radon manometer has a red reading, what should I do?

We purchased a home a few years ago and it has a radon mitigation system. I just happened to go downstairs and look at it and noticed this reading. What should I check? Should I be alarmed? EDIT ...
1
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1answer
178 views

How to read my radon system

I have a radon system in my recently purchased home which looks like this: However, I have no idea how to interpret what it is telling me. Can anyone provide clear and easy to follow instructions?
1
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1answer
1k views

Radon Manometer U-Tube is almost equal

I have a radon system in my home with a u-tube style manometer. the reading over the past year has been almost 0*. I called the serviceman who told me it was fine as long as I could hear the fan ...
2
votes
1answer
395 views

How can I install an interior cat door to the basement and not have it kill me? (from increased radon)

I recently purchased and moved into a new house with an unfinished basement under part of house and crawl space under the rest. We have 2 indoor cats and I would prefer that their litter box be in ...
8
votes
5answers
296 views

Should building a new house include considerations about radon?

By chance I saw that there are a lot of radon questions here and it got me thinking: Do I need to concern myself with potential radon levels when planning to build a new house? My question is based ...
6
votes
1answer
1k views

What is the best way to seal a French drain board due to high levels of radon?

The Radon level in my crawl space is above the threshold (~5.5) and the level in my basement is around 4. I'd like to install a radon mitigation fan that sucks air from the sump pump of a French ...
7
votes
1answer
187 views

Is there any level of radon in the home that is *immediately* dangerous?

I ask because when I purchased my home the level was 19 pCi/L, and on a recent retest it is 27.8 pCi/L. I plan on for sure getting this fixed within a month, but I'm wondering if there's any reason ...
2
votes
3answers
3k views

Sump Pump Vs. Radon mitigation?

I have a full basement in a cold climate (North Dakota). The previous owner had a raw hole broken out of the cement floor that must have served as an emergency sump pump hole. We haven't had water ...
12
votes
4answers
401 views

What should I know about radon levels at home? What levels are safe and do they affect resale value?

My wife and I are looking to buy our first home. We recently found one, but a report says the radon levels inside the home are unsatisfactory. I've never really been aware of radon levels in homes ...
17
votes
2answers
2k views

What types of home radon mitigation systems have you used, and how well do they work?

What types of home radon mitigation systems have you used, and how well do they work? Do recommended types of mitigation systems vary significantly with varying levels of excess radon? Does climate ...