subfloor for 3/4" oak : Hardwood Flooring For Contractors and Installers

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subfloor for 3/4" oak

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soonerwes

Post subject: subfloor for 3/4" oak

Posted: Wed May 30, 2007 9:43 pm

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Joined: Wed May 30, 2007 9:30 pm
Posts: 1

Is this doable or better yet recomended. I have a floor that consists of 1/4"plywood on top of 1/4" cement board on top of 1/2" osb on top of cement. Good or bad idea? If bad idea can you tell me of a web site where I could read about it and print something out. I have been laying hardwood for 12 yrs now and have never run into something quite like this.

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Gary

Post subject:

Posted: Wed May 30, 2007 11:09 pm

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Joined: Sat Sep 25, 2004 7:42 pm
Posts: 4373
Location: Antioch, CA. 94509

Not recommended by ANYONE ANYWHERE! Besides, do you KNOW if there is a vapor barrier under that 1/2" OSB? It is required under a wood subfloor/underlayment/nailing base that is over a concrete slab. Could you install over it? Yes! Should you install over it? No!

Read these:
http://www.nofma.org/Portals/0/Publicat ... 009_03.pdf
http://www.nofma.org/Portals/0/Publicat ... 010_04.pdf
http://www.nofma.org/Portals/0/Publicat ... arders.pdf
http://www.nofma.org/Portals/0/Publicat ... Floors.pdf

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Floorguy

Post subject:

Posted: Thu May 31, 2007 9:41 am

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Joined: Thu Aug 05, 2004 5:44 am
Posts: 3509
Location: Austin

RUN!!!!!!!!!!!!!!!!!!

Don't even think about it. Tear it all out and do it right, or don't do it at all.

This is one of those, "never lost money, on a job I didn't do".

_________________
When you want it done WRIGHT
www.AustinFloorguy.com

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