Hello BP,I recently took out some plastic tiles from one of the rooms. 

Look my man, this isn't brain surgery but requires knowledge, systems. tools resources and a network of those who can do what you cannot while you are learning.

Have a professional do it under containment (plastic containing walls, air scrubbers, etc.) and you can be assured that it is not going to get you sued in the future. 

They are plastic, not wood.

Its not brain surgery...Good Luck.Reach out if you need more advice.Jay

the little plastic tab on the leg was busted and a nail head protruded. 

That stuff is foam plastic?

I would not worry about attaching a sheet of plastic to the studs, if that is what you mean by a vapor barrier.

Investment TeamIf you needed surgery, you would not start medical school.

I was doing some plumbing this past weekend connecting CPVC to cast iron and the 3/4" CPVC compression fittings will fit around the 1/2" iron pipe.I don't think the sharkbites or the white plastic compression fittings will work though just the CPVC compression fittings.Here's a picture of it:They are $3.92