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Old 11-16-2008, 07:22 PM   #1
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Wood over concrete?


My house is a split level with the garage being at ground level...@2-3" above grade. I am converting the back 1/3 to a home office. I want to install wood floors in there and want to do this right. Yes, the floor is level. When researching I have found a few solutions including plastic vapor barrier with plywood nailed down then the flooring.

Please help!

Thanks!
Kevin

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Old 11-16-2008, 10:29 PM   #2
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Wood over concrete?


If you do the plywood thing make sure it is pressure treated plywood! The green stuff!

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Old 11-17-2008, 08:11 PM   #3
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Wood over concrete?


What is the best method?
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Old 11-17-2008, 08:16 PM   #4
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Wood over concrete?


You want true wood floors? Have you thought of a floating wood floor?
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Old 11-17-2008, 08:59 PM   #5
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Wood over concrete?


Yes, that is what I plan on installing.
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Old 11-17-2008, 09:45 PM   #6
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Wood over concrete?


Kevin,

Be very careful to follow the manufacturer's directions for this type of installation. Wood over concrete can be tricky in some cases, under certain conditions. You will want to do a moisture test most likely.

Carpenter, I respectfully disagree with your suggestion to use pressure treated plywood in this case. Pressure treated ply or lumber should never be used indoors, at least when there is flooring to be installed over it, check it out.

First of all there is never a need to use PT ply indoors. One should use exposure 1 subfloor grade plywood when building a subfloor. This type of plywood is made with waterproof glue to bond the plies. Matter of fact, when installing tile on an outdoor deck, you should NOT use pressure treated either. The reason of course is that PT contains too much moisture and will shrink too much as conditions change, it's very unstable.

The only time any PT can be used indoors is in the case of PT dimensional lumber, IF it is kiln dried. KD PT is kinda rare since there's little need and request for it.

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Old 11-17-2008, 11:01 PM   #7
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Wood over concrete?



Go for it!
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Old 11-18-2008, 05:48 PM   #8
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Wood over concrete?


Another source recommended Delta FL with plywood overtop...thoughts?
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Old 11-20-2008, 04:35 PM   #9
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Wood over concrete?


JazMan is on the right path. We have been in the flooring business for over 50 years and the hardwood to concrete has always been debated... From methods to materials, there are pitfalls either way.

That being said make sure you get a moisture reading on the concrete like JazMan said. There will ALWAYS be moisture in your concrete though, so make sure you use the right type of sealer and adhesive during this process. Bostisk is the #1 name in the biz when it comes to providing the right materials & methods to apply wood to concrete.

Where do you live by the way? I have a great hardwood flooring installer in Dallas, TX that does this on a daily basis in some of the most high end properties that area has to offer. He works with a number of our Prefinished hardwood floors on his projects with no problems because of the strict installation procedures that he uses.

He might be willing to let you in on a few tricks of the trade if necessary...
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Old 11-22-2008, 10:40 PM   #10
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Wood over concrete?


I live outside of Philadelphia.
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Old 11-23-2008, 06:40 AM   #11
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Wood over concrete?


acid-stain the floors & forget the f'n termites OR the hollow sound of the floor when you walk on it,,, still need the moisture test, tho
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Old 11-23-2008, 06:46 AM   #12
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Wood over concrete?


I would use engineered flooring then you do not have to be concerned with moisture like you are with wood. Use the Styrofoam underlay.

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