I usually will put up a vapor barrier over the studs, then concrete board or green drywall, then I use a waterproof membrane such as Kerdi.

If the smoke does bother A and B, maybe you should ask C or D to start using a vaporizer.

Learn the lingo and each part of a house from the vapor barrier to the roof ridge cap.

A warranty deed isn't everything in situation like that if the corporation vaporizes and a title claim comes in, that's where your title insurance comes into play.

Over concrete put down cheap 4 mil plastic sheathing as a vapor barrier just in case.

Seeing as 72% of greenhouse gas is water vapor and 80% of the earth's surface is water, I see how this plan is completely conceivable and logical, rather than some cooked up piece of bullsh-- legislation intended to pay off friends for political favors.

I'll switch teams during the last few minutes of the Super Bowl to be on the winning side....lol(sarcastically)Life is but a vapor....I say be in it to win it!

The fourth layer is usually made up of polyester material which can resist vapor from the subfloor and balance other 3 layers.

But over time it all vaporized.

And 14 some hours later and some serious white knuckles end up on vapors landing at Kahului ..