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Last update on February 20, 2026

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Avatar for Blackburn Foundation Repair, LLC
Blackburn Foundation Repair, LLC
4.6(
23
)

Serving Castlewood, SD and surrounding areas

Approved

In business since 1992

Free estimates

Warranties offered

"Blackburn came out to repair my garage foundation. They were quick, efficient, and left the area in great condition."
Crawl Space Repair
Crawl Space Repair
Response time1 day
93 neighbors recently requested a quote
Recommended by80%of homeowners
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Radon Detection and Reduction questions, answered by experts

No level of radon is technically safe, but since it is naturally present everywhere, it is impossible to avoid entirely. The average radon level in homes across the United States is 1.3 picocuries per liter (pCi/L). The Environmental Protection Agency (EPA) recommends taking action to reduce radon levels if your home's test results are between 2 and 4 pCi/L or higher.

Mitigation reduces radon levels, protecting your health and complying with safety standards.

There are steps you can take as a homeowner to remediate radon yourself. While a radon reduction professional can make the biggest impact in your home, you can make efforts to improve radon levels on your own by sealing cracks, increasing ventilation, and testing for radon regularly.

Options include sub-slab depressurization, crawlspace ventilation, and sealing cracks. Choose based on home construction and radon levels.

Yes, many systems include warranties for performance. Confirm terms with your installer.

The Castlewood, SD homeowners’ guide to radon detection and reduction services

From average costs to expert advice, get all the answers you need to get your job done.

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