Guide
Radon and Moisture in Kansas Basements
Before you finish a basement, find out what is coming up through the slab. Radon and moisture are the two big ones.
- Test before you finish
- Kansas certification
- Moisture basics
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Radon in Kansas
In a January 2022 release, KDHE reported that about one in four radon tests came back above the EPA action level, and elevated levels have turned up in every Kansas county (KDHE).
Test first
Testing is inexpensive. Kits are sold at county extension offices and local hardware stores, and KDHE says high levels can usually be lowered with venting (KDHE). The Kansas Radon Hotline is 800-693-5343.
Who can test and fix
Under Kansas law, anyone who tests for or mitigates radon must be certified by KDHE (KDHE certification law). Ask for the certificate before you hire.
Moisture
Damp basements get musty fast. Check gutters, grading, window wells and any cracks before drywall goes up. We will not cover a wet wall. See window wells, our moisture and mold guide and basement finishing.
Keep reading
Back to the home page, or browse all basement services.
Questions about radon
Is radon a problem in Wichita?
KDHE says elevated levels turn up in every Kansas county (KDHE).
How common are high results?
About one in four tests in the state (KDHE).
Who can install a system?
A KDHE-certified pro (KDHE).
Should I test before finishing?
Yes. It is easier to fix before walls are up.
Does a finished basement raise radon?
Not by itself, but sealing it can change airflow, so retest.
What about mold?
Fix the moisture source first. We do not cover wet walls.
Ready to plan your basement?
Call or send the form, and we will walk through your own basement before we price it.