Is there a liquid applied radon barrier paint for basement floors that works?
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Is sealing basement concrete floor against radon a good idea?
Tim Hanrahan
Sept. 18, 2020Last updated: Sept. 22, 2020
Now that I have removed everything from my basement, I have this nice pristine unfinished concrete floor and walls.
I have heard of a product called radon block, I believe this is a sealer of some kind.
Just wondering if sealing my floor is worth it and what the general thoughts are regarding sealing bare concrete?
It is always wise to check a home for radon gas contamination and remove it if levels are above recommended safe levels.你有没有检测过地下室的氡含量?Here are our pages ontesting for radon gas and how to remove it from basements and crawlspaces.
The product you mention, do you mean theRadon Block Membrane? That is not a liquid sealer, and is used to stop radon gas from entering below basement floors, but it is used before you pour the floor, not after.
市场上有一些液体应用氡屏障，但我们对它们不太有信心。混凝土地板容易开裂，虽然液体屏障在受控的测试条件下可能会起作用，但在现实世界中，我不相信它能密封开裂的混凝土地板。而且裂缝进一步扩大的风险总是存在的。
There are a variety of radon gas mitigation techniques depending on your basement conditions. I think in your case since you have a bare concrete floor, the most effective method for removing radon is probably sub-slab depressurization, where a couple of holes are opened in the floor so that radon can be sucked from below the slab. But all this hinges on first getting tested and knowing if you have a problem.
Hey Mike, looks like I got the name wrong, the product is called RadonSeal.
把氡排除在外，密封裸混凝土有什么理由或好处吗?
你好蒂姆，我刚刚和渥太华Radonworks的Rob Mahoney谈过，他在加拿大卫生部做缓解和咨询工作，他证实使用的液体屏障毫无价值。所以，继续使用普通的密封剂——裸露的混凝土地板是多孔的，很容易着色，它还会通过正常磨损给你的房子增加细粉尘，所以如果你打算使用它，我将密封它。Here is a page on our favourite concrete sealing method -
How to seal and polish concrete floors - non toxic silicate sealer