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| | DIY Radon Mitigation Strategies? | | 1 point by stevenhubertron on Nov 11, 2021 | hide | past | favorite | 2 comments | | I recently moved to a new house that has a radon mitigation system that was poorly installed. For example there was no pit underneath the foundation just some gravel. I know this because I had a plumbing issue and had to rip up the floor. The system is still running, as well as a ventilation fan to clear the air by the boiler but my numbers in my basement are still generally above 4.0. I don’t want to pay someone to fix this because I’m pretty handy and want to fix it myself. Has anyone done this or have any pointers for what I can look at to learn more about effective ways to mitigate radon in an older home? |
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But if you are adamant about DIY... This [1] is the study about indoor air quality that everyone cites but nobody reads.
If you actually look through the paper, you'll see how they design the houseplant system. It is not just dirt in a pot with a plant. The paper suggests that it should work to reduce radon in homes.
[1] https://ntrs.nasa.gov/citations/19930073077
I am curious though - how are you measuring such that you have frequent radon levels? Have you purchased equipment?
I am definitely not an expert, but all the systems I've seen when house shopping involve (in addition to the ventilation fan) a piece of plexiglass over the sump pump/ejection pit/etc with some silicone sealant. I think the idea is that it should be really easy to pull up to do maintenance or repairs and then to put it back down and re-seal.