Cross-laminated PE Vapor Barrier Under Floating Floor After Leveling With Sleepers

sjkm

Hi,
sorry, I hope it's ok to post in this forum, am doing my own interior design, but am not a flooring person and need advice for this to talk with my floor guys.
I am trying to get a slanted wood floor leveled (about 5.5 " differential) including an odor-proof vapor barrier (Cross-laminated PE, like here nontoxic.com/moisturecontrol/tutuff.html, e.g.), to prevent odors, fumes and hot air from coming up through the floor.
Planning to have the flooring guys remove the top flooring down to the sub floor, then build the floor to level with sleepers, adding plywood to create a new, level subfloor, then the cross-laminated virgin polyethylene sheet, sealed at the sides with silicone gasket and 1/2 x 2 wood, screwed or nailed into the sheet rock of the walls.
My flooring guy seems to be uncomfortable with not being able to nail through the plastic and how to properly attach the top floor. Assuming there should be an underlayment between the PE and the top floor. How can one best affix the PE to the plywood below and to the underlayment, to prevent mmovement? Can the PE be glued to the wood above or below, and if yes, with which product?

I appreciate your suggestions.

willworkforbeer

What kind of mess are you trying to hide under this?

nEighter

dead bodies I am sure

thom

It sounds like you're creating a vapor retention system that will result in structural failure.

In the english language there seems to be a word for undoing just about anything. One can construct and demolish, paint and strip, dig and fill. It sounds like in this case the undoing word is abortion.

sjkm

the mess underneath is a deli with a not very reliable ventilation system and occasional fumes that give me intractable headaches and a 40 year lease.
Also, there's a lot of heat coming up from thier grills, and my apartment is totally overheated.
That's why I want a tight vapor barrier.
If you have a better suggestion about how to achieve this, it is certainly welcome.

naptown CR

yeah move!

or drop pube hairs through the floor. no more deli

nEighter

Naptown coming again with his out of the box.. futuristic thinking.. 1 word: Picturesque!

naptown CR

Kind of like feeding mayonaise to the tuna fish.

It's what I do best. Particularly after about a liter of grey goose

nEighter

LMAO!! Damn Malco is raving right now..

naptown CR

He would have seriously enjoyed this.


Maybe he'll tell stories tomorrow.

nEighter

stories of exed out rave chicks...

Double-A

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