Do I Need A Vapor Barrier? - Flooring - DIY Chatroom Home Improvement Forum


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Old 10-15-2008, 09:31 PM   #1
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Do I need a vapor barrier?


Hello, Great forum. Been reading a lot of posts but can not locate an answer.

I am installing a laminate flooring w/o attached pad.

Currently I intend to install it with 6mm cork in 2x3 foot sheets. The floor is over a crawlspace with a vapor barrier on the ground and unfaced insulation between the joists, 3/4" tongue and groove, 3/4 press/particle board.

Can I put the cork down without a vapor barrier? Would taping the seams in the particle board with a Tyvek tape do work as a vapor barrier? Or should I put something like quietwalk (barrier/felt) on top of the cork? Can cork rot/grow mildew?

I've asked locally and have heard need it/don't need it. Crawl space is well ventilated.

Looking for quiet, and to not do the job again in the future.

Thank you for your time.

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Last edited by bavgumbo; 10-15-2008 at 09:33 PM. Reason: forgot to ask ?
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Old 10-16-2008, 12:11 PM   #2
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Do I need a vapor barrier?


Sounds to me like you are good to go.

good luck!

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Old 10-16-2008, 07:04 PM   #3
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Do I need a vapor barrier?


Thanks. Picking up the cork tomorrow and tools tomorrow. Has anyone here used Spectrlock grout for tile? Foyer and kitchen will be tile put over Wedi in the kitchen and ditra in the foyer.
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