ANY impermeable layer (your wood floors then epoxy) placed over it will accelerate the moisture migration resulting in the delamination of any & all overlays.

You need at least one layer of protection between you(r personal possessions and assets) and your business entity structure (translation: more than one entity)If your businesses are properly established and maintained they WILL afford you considerable (though not "perfect") protection against even the most frivolous of lawsuits.

Trying to cover it all up and masking it will probably be a mistake.  

It depends how many layers on the tear off but it looks like you've got quite a few there.

@Obaid M. ask to see proof of rental history from the seller and if property is not far from you go talk to the tenants and find out if they plan to staygood luck

Although I love all the comments on this thread, no one is talking about the obvious: This guy is from out of state wearing a containment suit and a mask.  

It can be an extra layer to work with.

You could try finding the online GIS viewer maps for the community you're looking at and they usually have a zoning layer.

The new rules add layers of complexity,  so the question is – do the benefits outweigh the negatives. 

I think he was saying that the cheaper ducts that go in the walls have a layer of insulation and plastic around them thats why they don't condensate.