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 STE 145, Ashburn

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  • Avatar Jack ★★★★★ 5 months ago
    Got Matt on very short notice to inspect a house that we are buying. Very happy with his service. His inspection is professional, informative, and thorough! He's very patient with our questions and explain findings in easily understandable … More terms. Definitely will recommend Matt to my friends and family!
  • Avatar Darius Simms ★★★★★ a year ago
    Very prompt and precise. Daniel was there ahead of time and got an early so by the time we arrive, he basically had a chance to inspect it again. Except job and great service. Highly recommend using Donofrio & Associates, LLC for your … More home inspection needs.
  • Avatar Len Phillips ★★★★★ a year ago
    The staff at Donofrio & Associates was very professional and helpful in setting up my home inspection. My inspector was also thoroughly professional, courteous, and engaging throughout his inspection, pointing out everything that he … More found during the inspection, familiarizing me with all aspects of a newly purchased house, and making recommendations on maintenance items associated with the house. Highly recommend.

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