Do most basements have radon?

Asked By: Tonie Cantineiro | Last Updated: 29th May, 2020
Category: home and garden indoor environmental quality
4.9/5 (341 Views . 38 Votes)
Radon is completely odorless as well as being invisible. Because it is often found unexpectedly in basements, some people mistakenly believe that it only occurs in basements. Most commonly homes with basements are suspect for having higher radon levels.

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Beside this, how dangerous is radon in basement?

Basements, rooms over concrete slabs and areas over crawlspaces can have high radon levels. The more of it you breathe, combined with the concentrations of it, contribute to the risk factor. According to the EPA, radon kills more than 20,000 people per year! It is the number one lung cancer killer in non-smokers.

Similarly, what causes radon in basements? Radon comes from decaying Uranium that is contained in the rock and soil beneath the basement (under the foundation) of every home. Being in constant contact with the ground, a home's basement is the main entry point for Radon gas.

Simply so, how do I know if I have radon in my basement?

In fact, you're probably breathing it in every day, even if it's at a low level. However, you can't tell if you're breathing it in at a high level. The danger in radon exposure is that you can't see it, taste it, or smell it. And you won't have any symptoms to alert you.

What homes are more likely to have radon?

Radon can enter your home through:

  • Cracks in foundation walls and floors.
  • Gaps in flooring.
  • Warm air rising indoors.
  • Spaces around pipes entering the foundation.
  • Wind blowing outdoors.
  • Fireplaces and furnaces.
  • Open areas inside the walls.
  • Exterior air vents.

39 Related Question Answers Found

Does a dehumidifier reduce radon?

A radon remediation method like ASD will not only reduce radon levels in a home, but it will also dehumidify the home. A dehumidifier, on the other hand, won't have any meaningful impact on radon levels. In fact, a dehumidifier was only able to achieve 8% to 25% of the moisture capacity that the ASD did!

Is it hard to sell a house with radon?

Fortunately, it's not hard to sell a house with radon, provided that you alert potential buyers and mitigate the problem, say Brian Thomas, a top real estate agent in the Denver, Colorado area, with 16 years of experience. “For as much fear and uncertainty as radon causes, there's an easy fix.”

Is radon worse in summer or winter?

Stack effect.
The difference in pressure is higher when the difference between indoor and outdoor temperatures is greater. This means that it's at its highest in winter time (next highest in summer), thus contributing to increased radon levels in winter.

Does opening windows reduce radon?

Opening windows improves air circulation and ventilation, helping move radon out of the house and mixing radon-free outside air with indoor air. Opening basement windows helps reduce negative air pressure, diluting radon with clean outdoor air.

How do you eliminate radon?


There's no single method that fits all radon removal system needs. Common techniques include: Sub-slab depressurization, where suction pipes are inserted through the floor or concrete slab into the concrete slab below the home. A radon vent fan then draws out the radon gas and releases it into the air outside.

Should I not buy a house with radon?

Radon can seep into any home that is in contact with the ground. It is undetectable unless you perform a radon test. It is the second leading cause of lung cancer and according to the EPA and CDC, it kills more than 20,000 annually. It is not something you want in the home you are buying.

Where is Radon most commonly found?

Radon is a naturally occurring radioactive gas which may be found in indoor environments such as homes, schools, and workplaces. Radon is the most important cause of lung cancer after smoking.

How do I make my house safe from radon?

Install a layer of gas-permeable aggregate, such as four inches of gravel, beneath the slab or flooring system of your home if you don't have a crawlspace. Cover this layer or your crawlspace floor with plastic sheeting to stop radon gas from moving past that level and into your home.

How long does it take to get lung cancer from radon?

If a person has been exposed to radon, 75 percent of the radon progeny in lungs will become "harmless" lead particles after 44 years. When an alpha particle damages a cell to make it cancerous, the onset of lung cancer takes a minimum of 5 years but most often 15 to 25 years, and even longer.

How often should you test for radon?


Living pattern changes
Whenever there is a change in your home, you should perform local radon testing. It's also recommended that you test your home for radon at least twice a year too. If your tests come back unusually high, then you should order one or two more tests so that you can compare the results.

What is the best way to test for radon?

Testing for radon
You can hire a professional tester or do it yourself with a kit you buy at a hardware store or online. Follow the instructions for leaving the kit in your house for the required number of days. Then mail it to a lab and wait for the results.

Is it safe to live in a home with a radon mitigation system?

The EPA estimates that a radon removal system costs about $1,200 for an average house. Once installed, a follow-up radon test is done. Even in houses with extremely high radon levels, you can expect a drop to levels considered safe.

How much does radon remediation cost?

The cost of a mitigation system may vary according to the home's design, size, foundation, construction materials and the local climate. Radon reduction systems average costs nationally are $1,200 with a range from $800 to $1500 common depending on house and market conditions.

What if radon is found in my home?

Radon is a radioactive gas emitted naturally from the ground. However, when radon gets trapped indoors—after entering a home through joints in walls, basement floors, foundations and other openings—it may concentrate at dangerous levels. And exposure to high levels of radon can cause lung cancer.

Is radon a big deal?


Radon is a Big Deal. Radon is a serious and under-appreciated issue. It's the second leading cause of lung cancer, after tobacco smoking. As an odorless and colorless gas, there is no way to know if it is in your house unless you test for it.

Which granite has the most radon?

All types of granite contain various amounts of uranium, an element that produces radon gas. Granites that emit the most radon are the ones that contain the most uranium. Radon can be a carcinogen and is therefore a health concern, especially in poorly ventilated indoor spaces.

Is living in basement bad for health?

Health risks to tenants
Some health risks to people who live in basements have been noted, for example mold, radon, and risk of injury/death due to fire. Presence of mold can lead to "respiratory symptoms, respiratory infections, allergic rhinitis and asthma", as well as personal belongings being contaminated by mold.