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