Do I Need Moisture Barrier over Terrazzo (Eng. Wood Flooring)

runninginplaceSeptember 27, 2010

As the long title says--we're installing Armstrong oak engineered HW in our kitchen. The original floor is terrazzo and we aren't sure that we have to install a vapor barrier first. Other adjacent areas had vinyl sheet flooring laid as a barrier, then the HW was glued onto that.

However, in the kitchen the contractor has already installed cabinets and our allowances are pretty tight. So if we don't need a vapor barrier, it will be helpful. OTOH I don't want to install $1200 worth of flooring and have a problem!

Any feedback appreciated.

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I would use a floating wood floor underlayment like Floor Mufflers or any other ones that can serve as vapor barriers and cushion. You will need it anyway to float a floor. Why not just get it with vapor barrier?

    Bookmark   September 29, 2010 at 1:24PM
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I'm shedding a tear for the loss of the terrazzo. :)

    Bookmark   September 29, 2010 at 3:28PM
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Me too! Is the terrazzo in really bad shape? I almost covered mine up when I moved in here. Thank goodness I didn't. We used a professional scrubber and 40% peroxide. Now they look Buckingham Palace!

    Bookmark   September 29, 2010 at 9:52PM
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Thanks for the feedback. As for covering terrazzo...I am not a fan, and vastly prefer hardwood. However, please don't weep, as my husband and I have commented the floors are just covered up. Someday no doubt a future owner will be exclaiming as they rip out my flooring 'Can you believe someone covered up these amazing floors?'. Just as today the same comment is heard while the carpeting is peeled off old wood floors :).

    Bookmark   October 1, 2010 at 7:20AM
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Any vapor barrier is not going to raise your floor height much (1/8", if that). It will just raise the total job cost.

    Bookmark   October 1, 2010 at 9:00AM
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It depends on the basement whether it's dry or there is enough moisture on it.

Here is a link that might be useful: Terrazzo

    Bookmark   September 17, 2011 at 5:26AM
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