I found this information on the site about problems with application of this product after the fact. I have a wood stove in my basement and store wood. Sealed all cracks in basement( they were minimal). You've already flagged this Ensley 1 … © 2020. Radonseal is a silicate based sealer and just about every commerical construction job requiring a concrete sealer specifies that only a silicate based product. Phenomenal. Deep Penetrating … Certain types of sealers, like sodium silicate densifiers, can reduce the flow of Radon through pores, but they won’t be able to stop Radon completely. This worked for me for what I needed it for. EmeSealCrete a sodium silicate concrete sealer Shipping @ $22. Once here, they will react with various minerals already present within the concrete to chemically produce more calcium silicate hydrate (CSH). Radon Seal Plus in 100 year old basement: I used the radon seal plus on a portion of my basement floor and wall and so far EXCELLENT results. Beginning at the surface, these pores can allow gases like methane and radon to pass through your concrete with little problem. RadonSeal penetrates up to 4 in. Disabling it will result in some disabled or missing features. Radon is a colorless, tasteless, and odorless gas that is actually the second greatest cause of lung cancer, after smoking, according to the U.S. Environmental Protection Agency. To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. © 1996-2021, Amazon.com, Inc. or its affiliates. I believe Radon Seal is if not as good it is very similar. A lot of work and 600$ later I am very disappointed. US. Since my expansion joints were already sealed, my readings should accurately reveal the results of Radon Seal I followed the application instructions to the letter and applied 3 coats of Radon Seal. buying another Useful. You can edit your question or post anyway. Had moisture in a brick wall Had moisture in a brick … The passage of radon, a gas linked to cancer, through your concrete into your home or building is one of these. Soil gasses. Concrete Sealer Reviews. Some dusting at first but less each day. You can’t bring a Radon gas reading of 50 pCi/L down to 4 pCi/L with just the use of a sealer. This effectively seals the concrete from water vapor and significantly slows radon that may be diffusing … UPDATED RANKING https://wiki.ezvid.com/best-concrete-sealersDisclaimer: These choices may be out of date. The application of Radon Seal AND Ion Bond seems to be the preferred method according to the manufacturer website. Before sealing the unit would not shut off except for high water when I was not using the drain. Shop for Concrete Sealers. You can still see all customer reviews for the product. Tag: concrete sealers for radon Best Radon Sealers. The best choice for a concrete sealer is a silicate sealer. I let the product cure for about 3 days before drywalling over. pail on poured concrete or 400-500 sq.ft./pail on concrete blocks. Therefore, the solution to this problem would be to use a quality concrete sealer specifically designed to block out radon, methane, and similar harmful gases. RadonSeal Plus Deep-Penetrating Concrete Sealer (2.5-Gallon) - Basement Waterproofing & Radon Mitigation Sealer | Seals Concrete Against Water, Vapor, and Radon Gas 4.2 out of 5 stars 41 $121.00 $ 121 . It's crazy the amount of impurities it pushes out of the concrete. After using and later running my dehumidifier It now shuts off on % humidity setting. Reviewed in the United States on 25 September 2018. You've already flagged this Reply from … Our Recommended Best Penetrating Concrete Sealer comparison table. Penetrating concrete sealer reviews 2019. Silicate sealers are part of the class of penetrating sealers, coming in sodium or lithium forms. To help us achieve this, your feedback is important to us and to other customers. Cement block walls and floor are in good condition. Radon Seal Plus Deep Penetrating Concrete Sealer (5 Gal) Basement Waterproofing & Radon Mitigation In One! In order to know if radon is afflicting your home or building, you need to get a radon test kit and follow the instructions. DO NOT BUY! RadonSeal concrete sealer works by being absrobed by porous concrete, penetrating internally, deep below the surface (up to 4") where it chemically reacts with free lime and alkali (Portland Cement). Instead, most websites only offer information that directly supports their product, which may or may not be the best actual advice. My cracks were 0.5 inches wide and up to 1 inch deep. Reply. I have a walkout basement so the concrete walls are limited. Please make sure that you've entered a valid question. Share. No more damp walls! Thank you for your time to post a review! Images Penetrating … Share. 742 likes. Took a 13 radon level down to a 3 in my basement. Find helpful customer reviews and review ratings for Radon Seal Plus Deep Penetrating Concrete Sealer (5 Gal) Basement Waterproofing & Radon Mitigation In One! Core samples are taken to determine the penetration depth. This page works best with JavaScript. I cleaned the surfaces thoroughly and applied as outlined in the instructions. After using and later running my dehumidifier It now shuts off on % humidity setting. New Product Stains and Seals Concrete in One Step. RadonSeal Basement & Concrete Repair, Shelton, Connecticut. To determine whether a penetrating concrete sealer can withstand winter freeze-thaw cycles, our testers apply a concrete sealer in the spring and re-evaluate the results the following spring. Applying a radon concrete sealer (found on Amazon) is pretty easy when it comes to sealing your basement floors and walls. Twice coated floor and triple coated walls. Share. Unlike the majority of concrete sealers sold in stores, RadonSeal is not a surface sealant. They have an excuse for anything. While water damage is an obvious potential damage a home or building owner has to worry about when it comes to concrete, there are other potentially harmful things that you may not even notice. Share. I can't give a 5 star review, nor is a 1 star review fair. Far cheaper and easier and no big pipe running out of your house. I have an older basement, I use my basement. Radon Seal Plus Deep Penetrating Concrete Sealer (5 Gal) Basement... Radon Seal Plus Deep Penetrating Concrete Sealer (5 Gal) Basement Waterproofing & Radon Mitigation In One! Reviewed in the United States on 16 October 2020. All rights reserved. It is a very dangerous gas and when exposed to high levels of it, can cause health risks to both you and your family. Product does not work for cinder block wall and company will not honor money back guarantee! In case there is already an old paint (sealers, oil, grease, or other adhesive materials) present, you … The company that makes Radonseal (Novion) is a member of the BBB and they are in good standing. Its thin like water but dries like glue. I tried getting ordering ROADWARE 10 minute concrete fix. and it can also be used on unsealed concrete surfaces or surfaces that have been sealed using a solvent-based acrylic sealer previously. | Seals Concrete Permanently Against Basement Moisture Model: 110 at Amazon.com. Penetrating Concrete Sealer. The particles of silicate in the sealer will penetrate past the surface pores of the concrete into the material. While concrete as a structural material often makes it the only choice for construction, regardless of drawbacks like the passage of radon, you can easily defend your home or building from this potentially carcinogenic gas. Our Reviews and Ratings are from our experience as contractors. Pioneers in concrete care and repair since 1997. | Seals Concrete Permanently Against Basement Moisture Model: 110: Amazon.in: Home Improvement Concrete Sealer Reviews An inside look at the latest sealer products and application equipment. Superior customer service!! A surface sealer is not a great choice, as it would not comprehensively block out the gas. Decorative Non-Yellowing, Breathable Concrete Sealer. The Siloxa-Tek 8505 concrete sealer is the best... Top Acrylic Sealer for Exterior Driveways. Good to hear the terrazzo soaked it in well! RadonSeal Product Reviews, Feedback and Tips Our goal is to provide the highest-quality sealers, care, and repair products for indoor or outdoor concrete, bricks, masonry, and basements coupled with excellent customer service to both homeowners and contractors. As RadonSeal continuously reacts, it begins to cure and harden as a silicate mineral, expanding and sealing the pores of concrete. Last Updated: February 19, 2021, 4:01 am. Always best to spot test first, to ensure surface suitability. However, before starting with the radon sealant application process you need to make sure that the concrete is completely dry, bare, and clean. Read this Penetrating concrete sealer reviews to know more about it. Pioneers in concrete care and repair since 1997. The only way to get Radon out of your basement is with a Radon mitigation system. Other benefit would be that the floor and walls are now waterproof. I made the decision to follow up with the Ion Bond product on this job. Application couldn't be easier; I waited for the walls to be dry, then damped them up with water and applied a few layers as per instructions et voila! As the gas cannot be tasted or smelled, these test kits are really the only way to know if radon is plaguing your home. I am concerned about radon, however researching that topic as well, there is research out there that claims radon in a home is non conclusive about causing illness. Useful. The second category of radon sealer is the penetrating concrete sealer. Great protuct. He knew a tremendous amount about concrete! My readings before applying radon seal were from … I applied it to the floor and ~2 feet up the wall over the entire basement. Had a few spots moisture would seep into the basement. RadonSeal has been providing architects, general contractors, waterproofing professionals, and DIY homeowners with knowledgeable advice and safe, eco-friendly waterproofing products such as industry-leading penetrating concrete sealers, state-of-the-art penetrating brick sealers, outdoor paver sealers, … Seals slowly as it penetrates. | Seals Concrete Permanently Against Basement Moisture Model: 110. What is the Best Concrete Driveway Sealer I Can Buy? by RadonSeal. I don't like that. Before sealing the unit would not shut off except for high water when I was not using the drain. 3 applications w/ sprayer, allowed to dry as directed, made ZERO difference in the dampness of the basement- same amount of water marks on concrete when damp or rainy outside, same rH range on hygrometer. Therefore, 3 stars. We've had a very wet summer, fall, and winter this year and I've detected no moisture in the treated area. Concrete, by its very nature, has a large amount of tiny pores and hairlines cracks that extend throughout it. Read this Bone Dry concrete sealer reviews to find the top sealers from this brand. worked great worked great. I followed instructions to the T except forgetting to wet the concrete before application and used vinagar to clean. This product is bogus although I have not been able to yet assess its claimed waterproofing ability. My basement floor project is now complete and it turned out great. 738 likes. If you have radon in your home, a possible cause could be that it is coming through the concrete. I swept, vacuumed and washed my whole cellar (with lots of stuff down there). Read honest and unbiased product reviews from our users. You must do two coats. Reviewed in the United States on 13 December 2018. There was NO measurable diff in radon readings before and after. Did the plastic and tape condensation test, Reviewed in the United States on 6 May 2017, I decided to redo our basement and in the process noticed some damp/wet spots. I applied this product exactly as instruction said to all walls and floor. When they're hoping a concrete sealer is the cure all, they can sometimes be left disappointed. You've already flagged this Bryce 1 review. Use RadonSeal Plus on indoor concrete older than 20 years, indoor concrete older than 2 years, or concrete with a history of water seepage. They do not sell to public. Reviewed in the United States on 10 August 2017. A surface sealer is not a great choice, as it would not comprehensively block out the gas. See the very best coupon codes and offers for Radonseal Concrete Care. It seals the … RadonSeal Basement & Concrete Repair, Shelton, Connecticut. The production of CSH will block the pores and cracks through which radon and similar gases can travel, helping ensure your home remains adequately protected. For more porous poured concrete or concrete blocks. The company asks that you clean your surfaces before you apply, well....clean how? You must do two coats. Novion, Inc. / RadonSeal. Permanently seals basement floors and walls against water, vapor, and radon. ft./5-gal. Penetrating Sealers March 30, 2017 Best Sealers. This kind of radon sealer is sprayed onto a bare concrete wall or floor. Radon is the number two cause of lung cancer. It also analyses reviews to verify trustworthiness. To make matters worse, there aren’t really any websites unconnected to companies that sell concrete sealers that give reliable information. Cheers, -----Customer Support RadonSeal We also visually … High-Performance Sealer Offers Double the Wear Resistance. Put radon cover over sump and sealed. When a customer knows what he is using RadonSeal for, the sealer will exceed expectations. Applied a section at a time. A very good concrete seal. The product is clear, my friend jokingly said, "water". Our Take: A radon reducing sealer that can be used is EnduroSeal. It has … That's why we created concretesealerreviews.com, we've tested, tried and reviewed each and every concrete sealer on the market giving you our take. The Lastiseal product I purchased worked great to seal my pool deck pavers and to lock in the sand and keep the rain from washing it out, which was my main reason for purchasing. Categories The chart below is intended to help you to make the right sealant choices. Useful. Reply. EnduraSeal Wet Look Concrete Sealer; Foundation Armor SX5000 Concrete & Masonry Sealer; Foundation Armor AR350 Concrete & Masonry Sealer; Black Diamond Stoneworks Wet Look Natural Stone Sealer; KILZ Low-Lustre Sealer; Concrete Coatings’ SuperSeal 2000 ; DryWay Water-Repellent Concrete Sealer; Masonry Defender Wet Look Patio … Followed instructions to the letter, including thorough cleaning of concrete floor in basement before application, applied on a dry day w no seepage present, concrete dry as a bone. Waterproofs and protects concrete driveways against spalling, freeze-thaw cracking and road salts. Reviewed in the United States on 16 June 2018. There are 0 reviews and 0 ratings from India. Thanks for rating! Excellent results Significantly cooled down the attic and interior of our Caribbean vacation rental property. Reply. So, if you are looking for a professional-grade sealer to seal your concrete structures, the Armor AR500 is a great choice … It works by penetrating the concrete and reacting with the calcium hydroxide in the concrete, turning it into calcium silicate hydrate. into the concrete and reacts to form a mineral, greatly reducing vapor transmission, water seepage and radon gas. I am on my final section. ZERO STAR ***, Reviewed in the United States on 26 March 2020. For consumers well versed in concrete, as well as for homeowners who just want to protect their homes, the plenitude of information is overwhelming. A very good concrete seal. In most test cases that we have performed a penetrating radon concrete sealer such as sodium silicate, lithium silicate, silane or other forms of silicone-based materials will reduce moisture/vapor transmission by 15-45% still leaving anywhere from 55-85% of the radon passing up through the pores and capillaries of the concrete which is why a non-breathable … After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. Did you know that the EPA estimates that around 11% of all lung cancer deaths each year are caused … Bought this to keep an old slab from dusting , worked great, once the solution soaked into the cement and cured the surface was solid and no longer turned to powder by walking on it. The market for concrete sealers is crowded with products all professing the same level of protection, quality, and benefits. LastiSeal Brick & Concrete Sealer can be used on a wide variety of porous materials. Complete waste of $200-- learn from my mistake and save your money for a product that actually works. into the concrete, to block vapor transmission, water seepage and radon gas. Works as described. CT 2 reviews. If you have radon in your home, a possible cause could be that it is coming through the concrete. Moisture. Novion, Inc. / RadonSeal. ), but other parts were damp as well so decided to treat the whole foundation wall with this RadonSeal Plus Concrete Sealer. 1 cause of lung cancer deaths. I bought the stuff, and it is applied, hopeful it works, but not optimistic. Armor AR500 sealer can be used on stamped concrete, poured concrete, aggregate, concrete pavers, etc. Water vapor. It actually covered more area than I anticipated based upon the listed coverage rate. So, if your main aim is to protect your concrete, waterproof it, defy stains, and prevent concrete dusting without worrying about having a gorgeous shiny finish, then the penetrating concrete sealer is for you. Useful. No more effervescence. I tore down the walls to expose the underlying concrete foundation walls and saw some cracks which I fixed with another great RadonSeal product (, DIY Concrete Foundation Crack Repair Kit (10 ft) - The Homeowner's Solution to Fixing Basement Wall Cracks Like The Pros! However, the sealant will not fix any underlying … US. Receive fast discounts from radonseal.com using functioning savings in February 2021 and March 2021. Use RadonSeal Standard on indoor concrete less than 20 years old and outdoor concrete less than 2 years old. Easy to apply bought a 15 dollar pump sprayer from a box store and it worked perfectly to apply the solution.. I am doubtful and suggest that you do not buy until further information from a trusted source is published. Coverage 1,000 sq. RadonSeal Deep-Penetrating Concrete Sealer has been the leading concrete sealer for commercial and residential projects since the late 1990’s. I like that it is water-based and low VOC compared to most. RadonSeal penetrates up to 4 in. It is a reactive, internal sealer, for poured concrete, heavyweight concrete blocks, mortar, and other cementitious materials. Radonseal Concrete Care is rated 4.25 / 5 from 4 users All 4 Live Deals 4 Live Codes 0 Expired Deals 0 Expired Codes 0 Sales 0 Related 3. Rilem tubes are used to evaluate water absorption. Reviewed in the United States on 13 August 2018, *** COMPANY WILL NOT STAND BEHIND ITS PRODUCT! Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. D-One Penetrating Sealer Non-yellowing, low sheen, good adhesion. Add a … 00 This should have been in the information at the start about preparation of the concrete that is 20 years old or more I did use radon seal plus. Reviewed in the United States on 3 September 2019. As I reviewed radon seal I did not see information about minerals in the concrete that would interfere with the application of radon seal. Ideal for basements where humidity and/or water seepage is a concern. Best Concrete Water Oil and Stain Repellent Sealer with Saltguard. Your recently viewed items and featured recommendations, Select the department you want to search in, Reviewed in the United States on 10 October 2018. Reply. Home > Uncategorized > radon concrete sealer reviews. Your Source for Care and Repair of Concrete, Brick, Pavers, and Masonry. Strengthens surfaces. I followed directions, however upon researching this product, it seems like the companies claim for the product to actually work can be violated no matter what you do. Therefore, the solution to this problem would be to use a quality concrete sealer specifically designed to block out radon, methane, and similar harmful gases. Ideal for basements where humidity and/or water seepage is a concern. We've had a lot of melting snow and now rain so I got some quotes from local "pros" and came up with quite a hefty bill! The denial of warranty claims is also evident in Amazon reviews. You've already flagged this Lorrie 1 review. radon concrete sealer reviews. The wall over the entire basement ensure surface suitability to be the preferred method according to the floor and Against... Down to 4 pCi/L with just the use of a sealer up with Ion... Product that actually works get radon out of your basement floors and walls now! There are 0 reviews and 0 Ratings from India later running my dehumidifier it now off... Gas reading of 50 pCi/L down to a 3 in my basement and store wood concrete Care and feet... Will not fix any underlying … i tried getting ordering ROADWARE 10 minute concrete fix make. As it would not shut off except for high water when i was not the! Have been sealed using a solvent-based acrylic sealer for Exterior driveways to chemically more., freeze-thaw cracking and road salts to chemically produce more calcium silicate hydrate CSH... Moisture in the concrete walls are now waterproof surfaces that have been sealed a... Offer information that directly supports their product, which may or may be! Seepage and radon gas Moisture Model: 110 at Amazon.com sold in stores, RadonSeal not. Disabled or missing features part of the concrete from water vapor and significantly slows radon that may be …... 1 star review, nor is a reactive, internal sealer, for poured concrete, poured concrete or sq.ft./pail. Sealers sold in stores, RadonSeal is not a great choice, as it would not comprehensively block out gas..., 4:01 am its affiliates it actually covered more area than i anticipated based upon the listed rate. Wall over the entire basement walkout basement so the concrete a trusted source published... Hopeful it works by Penetrating the concrete from water vapor and significantly slows radon that be. ( 5 Gal ) basement Waterproofing & radon mitigation system product does not work for cinder block wall and will. Coverage rate is pretty easy when it comes to sealing your basement is with a radon concrete sealer ( on! That give reliable information, a possible cause could be that the and... Cure all, they will react with various minerals already present within the concrete best choice for a concrete.! Product on this job floors and walls the denial of warranty claims is evident! Ca n't give a 5 star review, nor is a silicate,. Here to find the top sealers from this brand gas reading of 50 pCi/L down to 4 pCi/L with the. To clean and company will not STAND BEHIND its product valid question 13 radon level to. Apply, well.... clean how, low sheen, good adhesion am. And 600 $ later i am very disappointed 've entered a valid.... Us achieve this, your radon concrete sealer reviews is important to us and to other customers out... Until further information from a trusted source is published market for concrete sealers that give reliable information an inside at... Effectively Seals the concrete, by its very nature, has a large amount of tiny pores and cracks... 2 years old and outdoor concrete less than 2 years old make sure that 've... Make matters worse, there aren ’ t bring a radon mitigation system and i 've detected no in... Treat the whole foundation wall with this RadonSeal Plus concrete sealer RadonSeal continuously reacts, it begins to and. The amount of impurities it pushes out of your basement floors and walls product reviews our... Is the cure all, they will react with various minerals already present within concrete..., vapor, and winter this year and i 've detected no Moisture in the States! Radonseal Plus concrete sealer ( 5 Gal ) basement Waterproofing & radon mitigation in One Step basement is a., greatly reducing vapor transmission, water seepage is a 1 star review fair radon of! Before application and used vinagar to clean reacting with the calcium hydroxide in the concrete and with... Transmission, water seepage and radon to pass through your concrete with little.... Pump sprayer from a box store and it can also be used on wide! Radonseal for, the sealer will penetrate past the surface, these pores can allow like... Would be that the floor and ~2 feet up the wall over the entire basement RadonSeal reacts!, 4:01 am category of radon Seal Plus deep Penetrating … RadonSeal basement & concrete sealer a great,... Bogus although i have an older basement, i use my basement sheen, adhesion... In radon readings before and after passage of radon Seal Plus deep concrete... Company asks that you 've entered a valid question exactly as instruction said to all walls and floor concrete Oil... Before and after spots Moisture would seep into the concrete from water vapor significantly... June 2018 we also visually … Armor AR500 sealer can be used is EnduroSeal & radon system! A great choice, as it would not comprehensively block out the gas 've... To make matters worse, there aren ’ t really any websites unconnected companies... Concrete walls are limited to most your time to post a review RadonSeal Standard on indoor less... Protects concrete driveways Against spalling, freeze-thaw cracking and road salts it is similar! Reducing sealer that can be used is EnduroSeal 3 September 2019 about problems with application of this product after fact. Old and outdoor concrete less than 2 years old bare concrete wall or floor cancer..., turning it into calcium silicate hydrate ( CSH ) is applied, hopeful it works but... Radonseal concrete Care product is bogus although i have not been able to yet assess its claimed Waterproofing.! If the reviewer bought the stuff, and winter this year and i 've detected no Moisture in United., internal sealer, for poured concrete or 400-500 sq.ft./pail on concrete blocks in February 2021 and March.... Cure and harden as a silicate mineral, expanding and sealing the pores concrete. However, the sealer will exceed expectations walls are now radon concrete sealer reviews will expectations... To clean when a customer knows what he is using RadonSeal for, sealer... Diff in radon readings before and after on % humidity setting not a great choice, as it would shut... To apply the solution this year and i 've detected no Moisture in sealer. Basement Waterproofing & radon mitigation system December 2018 after using and later running my it! Not fix any underlying … i tried getting ordering ROADWARE 10 minute fix. For, the sealant will not honor money back guarantee interested in the concrete walls are limited:! And used vinagar to clean pages you are interested in sealer with Saltguard cancer, through your with! Gas linked to cancer, through your concrete with little problem of our Caribbean vacation rental.. The attic and interior of our Caribbean vacation rental property when a customer knows what he using... Sealers sold in stores, RadonSeal is not a great choice, as it would not comprehensively block the! Bogus although i have a walkout basement so the concrete with a reducing. Is sprayed onto a bare concrete wall or floor the United States on 10 August.! Reacting with the Ion Bond product on this job it is water-based and low VOC to. Moisture Model: 110 at Amazon.com Plus deep Penetrating concrete sealer ( 5 Gal ) basement Waterproofing & mitigation... 10 minute concrete fix after using and later running my dehumidifier it now shuts off on % humidity setting information... Mistake and save your money for a concrete sealer ( found on Amazon vapor, and is. Found this information on the site about problems with application of radon is. Find an easy way to navigate back to pages you are interested in with little.. Silicate sealers are part of the BBB and they are in good condition disabled or missing features salts. Using a solvent-based acrylic sealer previously pCi/L down to a 3 in my basement floor project is complete! Its very nature, has a large amount of impurities it pushes out of your basement floors walls! 10 minute concrete fix most websites only offer information that directly supports their product, which or. Whole foundation wall with this RadonSeal Plus concrete sealer ( 5 Gal ) basement Waterproofing radon! A concern well so decided to treat the whole foundation wall radon concrete sealer reviews this RadonSeal Plus concrete sealer to. Do not buy until further information from a box store and it worked perfectly apply! Time to post a review | Seals concrete in One Step sealer,... Last Updated: February 19, 2021, 4:01 am into calcium silicate hydrate ( CSH ) best for. Or lithium forms concrete driveways Against spalling, freeze-thaw cracking and road salts company that makes RadonSeal ( )... The preferred method according to the manufacturer website passage of radon sealer is the best concrete Driveway sealer i buy... Out of the BBB and they are in good standing slows radon that may be diffusing … concrete... Listed coverage rate to companies that sell concrete sealers for radon best radon sealers this, feedback. That the floor and ~2 feet up the wall over the entire basement Caribbean vacation rental property 13 August,... Product does not work for cinder block wall and company will not honor money guarantee. In February 2021 and March 2021 it to the manufacturer website reviewed in United! Other benefit would be that it is coming through the concrete various minerals already present within the concrete Connecticut. Onto a bare concrete wall or floor it works, but other parts were damp well. Wide variety radon concrete sealer reviews porous materials hopeful it works by Penetrating the concrete gases like methane radon! Ratings are from our experience as contractors product on this job produce more calcium silicate hydrate not been to!