Learn about radon

Radon, explained in plain language

Radon Repair teaches homeowners, realtors and professionals what radon is and what to do about it, because understanding comes first.

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Radon basics

What is radon

A radioactive gas from the natural breakdown of uranium in soil and rock. Invisible, odourless and tasteless.

How radon gets in

Lower air pressure in your home draws soil gas in through cracks, sumps, pipes and joints.

Health risks

Radon is the #1 cause of lung cancer in non-smokers, and much riskier combined with smoking.

What your number means

Health Canada's guideline is 200 Bq/m³. See the scale below.

How to test

At least 91 days, on the lowest lived-in level, ideally fall and winter.

How it's fixed

Active soil depressurization, installed by a C-NRPP certified professional.

Watch

Radon basics on video

How radon causes lung cancer, and how we fix it

How radon gets in

Your house pulls radon in from the ground

Radon comes from natural uranium in the soil. Warm air rises and escapes through the upper levels of your home, which lowers the pressure in your basement. That draws soil gas, including radon, in through sump pits, cracks, gaps around pipes and the joint where the floor meets the wall.

Health Canada: “The air pressure inside your home is usually lower than in the soil surrounding the foundation.” Source

The stack effect: warm air escapes up high, and the house pulls soil gas in down low

How radon moves from the ground into a home

Information sessions

Book Jeff to speak to your group

Public sessions

For community groups, libraries and workplaces: what radon is, how to test, and how it's fixed.

Realtor sessions

Radon and real estate: handling radon in transactions, proper testing protocols, the guidelines and what Health Canada recommends.

Lunch-and-learns

For builders, designers and engineers: the 2027 code change and radon control in new buildings.

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Explaining a radon system on CTV News Atlantic

Presenting at a radon information session

Certified training

CRNCH: Controlling Radon in New Canadian Homes

A C-NRPP certified course on radon control in new construction, taught by Jeff LeBlanc, a C-NRPP certified trainer who teaches the CRNCH course and Past President of CARST. Open to builders, designers, engineers, trades and radon professionals.

In person now, online in 2027.

Ask about the course