Radon: Fixing Your Home

Fixing Your Home

If you’ve got high radon levels, it’s probably time to fix your home. Our team recommends working with a certified professional to find the most effective methods to mitigate radon in your home. 

Radon Mitigation May Include: 

  • active soil depressurization, 
  • sealed sump pit covers, 
  • sealed floor cracks, 
  • or sealed polyethylene membrane over exposed soil. 

Who Can Fix a Home With High Radon Levels?

If your home has high levels, we recommend contacting a C-NRPP certified mitigation professional. The professional will assess your house to find the best remediation option. The most common method is active soil depressurization, which typically reduces radon levels by 90% or more.

Radon Mitigation Professionals



1. “What is the most important thing to know about radon mitigation?”

After any mitigation, you should re-test your home to confirm whether radon levels have been adequately reduced.


2. “Are there any rebates or programs that cover the costs?”

While most homeowners pay radon mitigation costs out-of-pocket, there are two programs that can help with costs:

  • Tarion home warranty may cover radon mitigation for homes up to seven years old.
  • Homeowners can enter the Take Action on Radon Reduction Sweepstakes for a chance to win up to $1,000 reimbursing the cost of mitigation. The sweepstakes has had two winners local to Thunder Bay District!


3. “Are there any mitigation systems that I can install myself?”

There are several basic steps that homeowners can take themselves to lower their home's radon levels. One common step is installing a sealed sump pit cover. After installing any measure to lower radon levels, it is essential to re-test radon levels in order to confirm whether the system is effective. Sealed sump pit covers are available at the locations below:




  • Menards: To view the two models available, click here and here. 
  • Amazon.com (Amazon.ca does not have sealed sump pit covers). Several options are available; the model on display at EcoSuperior's Radon Demonstration Area is available here.