Radon gas is an invisible, odorless, and dangerous radioactive gas that seeps into homes from the soil. The type of foundation your home sits on—slab or crawlspace—plays a crucial role in how radon enters and how we design an effective mitigation system.

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Radon and Your Home’s Foundation

Concrete Slab Foundations

• Homes built on slab foundations are at risk because radon can seep through cracks, joints, and porous concrete.
• Radon mitigation for slab homes typically involves a sub-slab depressurization system, where a fan and piping system create suction beneath the foundation, venting radon safely outside.

Crawlspace Foundations

• Crawlspaces allow radon to accumulate in the open air beneath your home, increasing indoor levels.
• The most effective mitigation for crawlspaces is crawlspace encapsulation or vapor barriers, which prevent radon and moisture from seeping into your living space.

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Vapor Barriers: A Radon & Moisture Protection Combo

A vapor barrier is very similar to full crawlspace encapsulation and provides a dual benefit:

• Radon Reduction – Seals off the soil, preventing radon entry.
• Moisture Control – Reduces humidity and prevents mold growth.
• Enhanced Air Quality – Keeps the air cleaner, reducing allergens.

For even better results, adding a dehumidifier to the system ensures your crawlspace stays dry and mold-free, creating a two-for-one solution for radon mitigation and moisture control.

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Why Foundation Type Matters for Radon Mitigation

• System Design – The best mitigation approach depends entirely on whether you have a slab or crawlspace.
• Cost-Effective Solution – If you have a crawlspace, a vapor barrier and dehumidifier can improve air quality while reducing radon.
• Long-Term Protection – A properly designed system ensures maximum radon reduction and helps prevent future moisture issues.

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Protect Your Home from Radon Today

No matter your foundation type, radon testing is the first step in ensuring your family’s safety. If you’re concerned about radon levels or moisture issues in your home, contact us today for professional testing and customized mitigation solutions.