Radon mitigation is an essential consideration when building a new house, as radon gas can pose serious health risks if not properly managed. Radon is a colorless, odorless radioactive gas that can seep into homes from the ground, especially in areas with high levels of radon in the soil.
Here are some options available from Canada Radon for radon mitigation in your new build:
- Radon-Resistant Construction Techniques: These techniques are integrated into the building process and can help prevent radon from entering your home in the first place. Some techniques include installing a gas-permeable layer under the foundation slab, using plastic sheeting as a vapor barrier, and sealing cracks and openings in the foundation.
- Sub-Slab Depressurization (Active Soil Depressurization): This is one of the most common and effective radon mitigation methods. It involves installing a vent pipe and fan system beneath the foundation slab or in the crawl space to draw radon gas from the soil and vent it safely above the roofline.
- Crawl Space Ventilation: If your home has a crawl space, ensuring proper ventilation can help mitigate radon. You can use natural or mechanical ventilation methods to reduce radon levels.
- Sump Pump Depressurization: If your home has a sump pump, it can be modified to also act as a radon mitigation system. A vent pipe is connected to the sump pump lid, and the fan draws radon gas from beneath the foundation.
- Block Wall Suction: This method involves drilling holes into the concrete block walls of a basement and installing a venting system to reduce radon levels.
- Heat Recovery Ventilators (HRVs) and Energy Recovery Ventilators (ERVs): These ventilation systems help exchange indoor and outdoor air, which can reduce radon levels. While not specifically designed for radon mitigation, they can be used as part of an overall strategy.
- Sealing and Caulking: Properly sealing cracks, gaps, and openings in the foundation, walls, and floors can help reduce the entry of radon gas.
- Continuous Radon Monitoring: Consider installing a continuous radon monitoring system that provides real-time data on radon levels in your home. This can help ensure the effectiveness of your mitigation measures.
It's important to note that the most appropriate radon mitigation method for your new build can depend on various factors, including the local geology, construction design, and the radon levels in your area.
If you're unsure about your radon mitigation options, contact Canada Radon to ensure the health and safety of your client’s new home.