Sealing Basement Floor Cracks Radon

Treated surfaces remain suitable for paints adhesives and overlays.

Sealing basement floor cracks radon.

Sealing the basement floor can help but just sealing the cracks is unlikely to reduce your radon levels in the long term. As a general rule of thumb we caulk accessible areas where the floor and wall meet and cracks big enough to slide a credit card into. Sealing is not consider to be a good stand alone technique for radon abatement. Ideally if you are trying sealing alone to reduce your radon level we see the best results in unfinished basements.

Diy crack repair kits repair and block water leaks through cracks in foundation walls and basement floors. I was advised by a mitigator to seal my cracks in floor with silicone. Anything wider than inch however should be sealed to keep moisture soil smells or even soil borne gases see section on radon gas below from seeping through the basement floor. Sealing the basement floor can help reduce the amount of radon entering the home.

Sealing all cracks and applying non porous thick epoxy coatings would be a better step. Seal your concrete before painting it or installing flooring to avoid trapping moisture. I did and also went to the perimeter where slab meets the poured wall and sealed that seam as best as could. Ok so my 1st test was 6 2 being 72 hrs long.

Commonly used for sealing poured concrete basement walls and floors concrete blocks garage slabs and outdoor concrete. Do it yourself basement waterproofing methods and solutions. Lastiseal concrete stain sealer. New cracks can occur as the basement ages.

I do not have a sump pump. It does not change the surface of the concrete. Keep in mind though that the acrylic and other soak in sealers marketed as radon mitigation systems are untested solutions. My basement is a walkout located in mid indiana.

Radonseal concrete sealer permanently seals basement walls concrete blocks and floors against moisture. Radonseal is the only basement sealer backed by a lifetime money back guarantee against radon. The following pictures are examples of common and some uncommon areas we seal. But just sealing the cracks would be unlikely to reduce those amounts in the long term.

Sealing all cracks and applying non porous thick epoxy coatings over 10 mils dry film thickness would be a better step.