I applied Radon Seal per the instructions on the container. My results were no difference in radon readings. | Read 301-320 Reviews out of 1,237 Details: I live in Colorado just outside of Boulder, radon is an issue with many households here. Cheers, -----Customer Support RadonSeal RadonSeal Plus Deep-Penetrating Concrete Sealer (2.5-Gallon) - Basement Waterproofing & Radon... 9.4. Do you agree with RadonSeal’s star rating? It reduces basement humidity, prevents musty odors and basement molds. When a customer knows what he is using RadonSeal for, the sealer will exceed expectations. 1. Check out what 1,237 people have written so far, and share your own experience. This is very disappointing. Product Name. Buy on Amazon. Score . One of the best ways to find out if a purchase is the right one for you is by reading through customer testimonials. When they're hoping a concrete sealer is the cure all, they can sometimes be left disappointed. Do you agree with RadonSeal’s star rating? RadonSeal makes one of tbest anti-mold/mildew products available - BioZap. Check out what 1,237 people have written so far, and share your own experience. Water vapor. Negative-side hydrostatic water pressure cannot budge it. RadonSeal penetrates deep into concrete and reacts, sealing and preserving it permanently. Moisture. But RadonSeal wants you to pay $6 in shipping, for each container!!! RadonSeal penetrates into concrete (more than 4-inches), chemically reacts, and seals the capillaries and pores that make concrete porous. Score. Score. Thank you for your time to post a review! March 2nd 2009. Buy on Amazon. Old Customer Reviews. And its not like its shipped overnight. Do you agree with RadonSeal’s star rating? 2. Soil gasses. RadonSeal Plus Deep-Penetrating Concrete Sealer is formulated to permanently seal poured concrete and concrete blocks. Trusted Since 1997 - Pioneers in concrete care and repair. 3. We order the 16oz. | Read 21-40 Reviews out of 1,235 I followed instructions to the T except forgetting to wet the concrete before application and used vinagar to clean. RadonSeal is the only basement sealer … containers, usually half a dozen at a time. And: Making a Difference by Leveraging Polarity, Paradox or Dilemma . Rank . Strengthens surfaces. Do you agree with RadonSeal’s star rating? Check out what 1,235 people have written so far, and share your own experience. It purifies and deodorizes the air nicely with a pleasant, non-overbearing scent. Radon Seal Plus in 100 year old basement: I used the radon seal plus on a portion of my basement floor and wall and so far EXCELLENT results. | Read 81-100 Reviews out of 1,237 Check out what 1,077 people have written so far, and share your own experience. 10 Best Radonseal Reviews - December 2020. You should look at positive and negative reviews so that you can see all of the benefits and drawbacks to buying an radonseal plus from that seller. | Read 201-220 Reviews out of 1,077 9.7.