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Radon Testing · Grimes, IA

Radon Testing in Grimes

Radon Testing in Grimes, IA by Closer Look Inspectors — a 208-minute drive away. A photo-mapped digital report within 24 hours.

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Grimes · Polk County

Radon Testing in Grimes

Radon Testing in Grimes, Polk County, by Closer Look Inspectors — a 208-minute drive away. Grimes is a boomburb on flat Des Moines Lobe till, mostly built since the late 1990s, and we calibrate every visit to that.

Radon testing places an EPA-protocol continuous monitor on a home's lowest livable level to measure radon gas — and it matters across Iowa, which has the highest average indoor radon level of any state — roughly five in ten homes test above the action level.

Split-level home with stone facing on a sloped lot — Radon Testing in Grimes, IAGrimes
Calibrated

Tuned to Grimes.

Grimes housing runs to late-1990s to 2020s subdivisions around a small older core, across the newer subdivisions and the original town blocks, on flat Des Moines Lobe till with slow natural drainage — and that mix shapes what a radon testing here needs to find. Instrument-grade tools, a local eye, every visit.

Local conditions in Grimes

Grimes sits on Des Moines Lobe till — heavy, poorly drained clay that holds water against foundations and moves with moisture, which is what drives basement seepage and foundation cracking across central Iowa. Grimes sits in Polk County, and Iowa has the highest average indoor radon level of any state — the Iowa DNR puts roughly five in ten Iowa homes above the 4.0 pCi/L action level, and Iowa sellers must disclose known radon results on the property disclosure. Finished basements concentrate it, and only a 48-hour test gives you this home's number. Footings here are set below a frost line of roughly 36 to 42 inches, and that annual freeze-thaw cycle drives the settlement cracks and ice-dam wear we calibrate every Grimes visit to find.

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Questions

Common questions.

Is radon really a concern in Iowa?
Yes. The Iowa Department of Natural Resources reports that roughly 50 percent of homes statewide measure above the EPA action level, and finished basements are where it concentrates.
How long does the test run?
A 48-hour minimum under closed-house conditions; the result is delivered with your inspection report.
What comes up most in Grimes homes?
This is flat, heavy lobe till that was farm field with drain tile a generation ago — it sheds water slowly, so lot grading, sump performance and any low-corner ponding lead the report. The 1990s-2000s stock is also reaching first replacement age for roofs and furnaces, and we date each so you can plan.
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