Sealing Wood Floor/Barrier from Odors in Basement

Looking for more advice and hope some of you can help me out. A while back I posted about a strong sewer odor in the bathroom of my coop apartment. Well, it turned out to be a sewer backup in the basement. I also noticed a slight odor in my kitchen which has a wood floor but not in my other rooms that have carpet. I now realize that this has happened quite a few times before but the odor was not as bad and I could not figure out where it was coming from or why. Now I know and in a way wish I didn’t. I’ve been in contact with maintenance to stay on top of this and make sure they thoroughly clean and sanitize but other than that I really have little control over how exactly they handle each and every problem.

Anyway, I had plans on ripping the carpet up and having all of the wood floors sanded and stained throughout the apartment and now I’m worried that without the carpet there will be even less of a barrier between the basement and my apartment which is on the first floor. Is there a way the wood floor can be completely sealed to prevent any odors from coming up into my apartment. I have radiators, not vents

Other than moving, I’m looking for suggestions and advice.

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