Radon Gas Concrete Floor
The 1 concrete sealer for waterproofing damp proofing radon mitigation and strengthening concrete.
Radon gas concrete floor. Occasionally passive sumps without a fan may reduce radon levels. And there is always a risk of further cracks developing. There are a variety of radon gas mitigation techniques depending on your basement conditions. As we are more interested in radon concentrations indoors we are also more interested in radon concentrations in places we spend most of our time i e.
An active radon sump fitted with a fan is the most effective way to reduce indoor radon levels. Seal all openings cracks and crevices in the concrete foundation floor including the slab perimeter crack and walls with polyurethane caulk to prevent radon and other soil gases from entering the home. And it s typically highest in the basement then it gets far less on the first floor second floor and so on. One large contributor to radon gas in some geographical areas is the water supply.
Sumps work best under solid floors and under suspended floors if the ground is covered with concrete or a membrane. Once radon has entered the building the gas and decay products can be inhaled causing damage to lung tissue. Radonseal concrete sealer we applied 5 gallon of radonseal to a 26x32 basement floor prior to carpeting. Homes schools and work.
Concrete floors are prone to cracking and while a liquid barrier may work under controlled testing conditions in the real world i wouldn t put my faith in it to seal a cracked concrete floor. Radon is not limited to lower levels. Commonly used for sealing poured concrete basement walls and floors concrete blocks garage slabs and outdoor concrete. Because radon is a gas that emits from the soil and typically it gets into the home at the basement level through concrete block walls and the concrete floor and the gaps around it builds up in the basement.
And there are other sources of radon besides the bowels of the earth. Natural building materials such as wallboard concrete and even wood are emitters. Or your state radon coordinator for service providers in your area. Radon has the highest concentrations in the basement but gas rises and in winter months when windows and doors are kept closed radon can be found in other levels of the home.
The above photo posted by dakota radon mitigation shows just how far up radon gas can travel. The national radon safety board or nrsb exit. Having open cracks and joints in your concrete slab will make the transmission of radon gas into your home even easier. That stone foundation or massive fireplace can also be emitting radon gas.
If air and moisture move through your unsealed concrete slab that air will transport radon gas if it s present in the soil.