Seashell driveway installation. What Is It? Installing a radon mitigation system. Lee Gilliam upgrades a coastal house's gravel driveway to a seashell driveway. The gang plays "What Is It?" with a ...
You got the radon test results back. The numbers are high—maybe 8.0 pCi/L, maybe higher. Your realtor says you need mitigation before closing. Or maybe you've lived in your Wisconsin home for years ...