No. EPA does not recommend sealing foundation cracks alone as a way to control radon in a Kansas City home. Test the home and use the results to decide whether a separate radon-reduction system is needed.
Repair and radon control solve different problems
EPA says sealing openings is part of many radon-reduction approaches, but sealing alone has not reliably reduced levels. Many systems use a vent pipe and fan to draw gas from below the slab. Do not treat a foundation repair warranty as a radon result.
Missouri testing resources
Missouri's health department offers short-term test kits to Missouri residents while supplies last, with a household limit. That program is for the Missouri side of the metro; check your own state's program if your home is in Kansas. Follow the test instructions rather than choosing a test location from the cracks you can see.
After the work
EPA recommends action at 4 pCi/L or higher and testing again after mitigation. Share planned foundation work with the radon professional so the two scopes can be coordinated.
Who to call
Use a qualified radon professional for testing advice and mitigation. For separate movement or structural cracks, call this site to be connected with an independent local foundation repair company. Ask each professional to explain what their work does and does not establish.
Questions
Can a house with repaired cracks still need radon mitigation?
Yes. Only testing can establish the radon level; closing visible openings is not reliable control on its own.
Does Missouri offer a test kit?
The state currently offers Missouri residents short-term kits while supplies last. Check the health department's current instructions and eligibility.
Areas served around Kansas City
- Kansas City, MO and the Northland
- Independence
- Lee's Summit
- Blue Springs
- Raytown and Grandview
- Gladstone and Liberty
- Kansas City, KS
- Overland Park
- Olathe
- Lenexa
- Shawnee
- Prairie Village and Leawood