Radon In Finished Vs Unfinished Basement: What You Should Know

By | May 23, 2023

Radon and Basements What You Should Know

Radon is a radioactive gas that is naturally found in the soil and rock beneath our homes. It can enter your home through the basement, and can pose a health risk if levels become too high. That’s why it’s important to be aware of the differences between a finished and unfinished basement when it comes to radon exposure.

Radon Levels In Unfinished Basements

In an unfinished basement, radon levels are likely to be higher than in a finished basement. This is because radon is able to enter the basement through any cracks or openings in the foundation. Unfinished basements are also more likely to have accumulated moisture, which can also contribute to higher levels of radon.

Radon Levels In Finished Basements

In a finished basement, the levels of radon are likely to be lower than in an unfinished basement. This is because the walls are typically airtight, preventing radon from entering the space. Additionally, the presence of carpets, furniture, and other materials can help to absorb and trap radon, reducing the levels in the air.

Testing For Radon Levels

Regardless of whether your basement is finished or unfinished, it is important to have it tested for radon levels. This can be done using a radon testing kit, which can be purchased from your local hardware store. The test should be carried out over a period of at least two weeks in order to get an accurate reading.

Reducing Radon Levels In Your Basement

If the test results indicate that the radon levels in your basement are high, there are a few steps that you can take to reduce them. These include sealing any cracks or openings in the foundation, installing a radon mitigation system, and increasing ventilation in the basement.


Radon is a naturally occurring gas that can be found in both finished and unfinished basements. It is important to be aware of the differences between the two when it comes to radon exposure, and to have your basement tested for radon levels. If the levels are found to be too high, there are steps that you can take to reduce them and protect your family’s health.

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