Radon Testing for Fairfax County VA

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Fairfax County, VA Radon Testing & Radon Inspection

Radon gas is a dangerous cause of cancer. Radon gas is scientifically proven to cause lung cancer in humans.

38%+ of homes in the Fairfax County VA area have a radon level near or above the dangerous amount.

Radon seeps out of the soil, not the house. No structure- new or old – is fully encapsulated against radon intrusion.

Each house interacts with the dirt differently. This is part of the reason why houses next door to each other have majorly different radon gas accumulation.

Radon saturation will fluctuate every day and monthly within a safe range. A short-term radon test measures a small time period and a good bellwether of if the structure has a radon accumulation.

Radon has a half-life of about half of a week. radon levels won’t be greater if the property is sealed for months or years.

How Does Radon Gas Filter into the home?

Surprisingly, homes are not totally gas-proof.

Gas can seep in through any ground-facing gap in the structure such as sump pumps, pipes, and even minor cracks in the concrete foundation.

Your way to know confidently the accumulation of radon gas in the dwelling is to run a radon test.

Our Radon Test Procedures

Testing a property for radon is an important service when done concurrently with a real estate transaction.

Your radon professional will position the radon gas detectors in the home. Radon gas detectors will be placed in crawl spaces and on the first floor. Normally a few probes are located in the structure for the radon measurement.

Your radon technician will shut all windows, shut the vent on the chimney, and make sure the heater or AC is functioning in the required manner. Your Fairfax County VA home inspection technician will also seal any required window with anti-tampering tape to make sure that ventilation standards are upheld.

The radon gas devices are stored in the house for 2-3 days to measure the saturation of radon gas in the home. A professional will come back to the property once the radon measurement is completed to return the devices and write a report.

Call us today for a free consultation! Our radon testing staff will come out to learn more about your property, measure the area, and get you going on making your Fairfax County VA home one you can be proud of!

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Donofrio & Associates, LLC IconDonofrio & Associates, LLC

44933 George Washington Boulevard Suite 145, Ashburn

4.9 1,665 reviews

  • Avatar Wing Chan ★★★★★ 3 months ago
    They performed a very thorough home inspection for me. They were incredibly knowledgeable and friendly. They took the time to explain everything they found and they sent me the report an hour after the inspection. Superb service!
  • Avatar Aranihe Balanzar ★★★★★ 4 months ago
    Second time using this company and both times we have a great service and very detail explanation of all the procedure.
  • Avatar Todd Howell ★★★★★ 4 months ago
    Matt was amazing!! He set us at ease with how he conducted the inspection and was great at explaining every detail.

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