Plan radon before the drywall goes up
Finishing a basement turns it into living space, which means more time spent where radon is usually highest. It's also much easier to install a system before the walls go up.
Why do it first
- Suction points and pipe routing are easier and cheaper with open walls and floors
- Interior pipe routing can be hidden inside new framing
- You can seal cracks and the floor-wall joint before they're covered
Steps
- Test the basement before construction.
- If elevated, install the system, or at least rough-in a suction point and pipe.
- Retest after finishing and once the space is occupied.
Related Radon Mitigation Topics
Mitigation SystemsRadon TestingReal Estate RadonCrawl Space SystemsFan Replacement & RepairNew ConstructionHigh Test ResultsFan Not WorkingStill High After MitigationCost Guide
Frequently Asked Questions
Does finishing a basement increase radon?
It doesn't necessarily raise levels, but it increases exposure because you spend more time there.
Can I rough-in a radon pipe during framing?
Yes, many homeowners install a passive rough-in and add a fan later if testing shows a need.
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