I was advised by a mitigator to seal my cracks in floor with silicone.
Sealing basement floor cracks radon.
Ok so my 1st test was 6 2 being 72 hrs long.
Keep in mind though that the acrylic and other soak in sealers marketed as radon mitigation systems are untested solutions.
Radonseal concrete sealer the 1 concrete sealer for waterproofing damp proofing radon mitigation and strengthening concrete.
Here are a few reasons for this.
My basement is a walkout located in mid indiana.
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.
The following pictures are examples of common and some uncommon areas we seal.
Sealing all cracks and applying non porous thick epoxy coatings over 10 mils dry film thickness would be a better step.
New cracks can occur as the basement ages.
Do it yourself basement waterproofing methods and solutions.
Radonseal concrete sealer permanently seals basement walls concrete blocks and floors against moisture.
Sealing is not consider to be a good stand alone technique for radon abatement.
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.
Diy crack repair kits repair and block water leaks through cracks in foundation walls and basement floors.
I do not have a sump pump.
Lastiseal concrete stain sealer.
Seal your concrete before painting it or installing flooring to avoid trapping moisture.
Treated surfaces remain suitable for paints adhesives and overlays.
It does not change the surface of the concrete.
Caulk has a limited life span especially in basements where constant moisture changes can be expected in cement foundations and floors.
But just sealing the cracks would be unlikely to reduce those amounts in the long term.
I did and also went to the perimeter where slab meets the poured wall and sealed that seam as best as could.
Ideally if you are trying sealing alone to reduce your radon level we see the best results in unfinished basements.
Sealing the basement floor can help reduce the amount of radon entering the home.
Sealing the basement floor can help but just sealing the cracks is unlikely to reduce your radon levels in the long term.