Question about subfloor over concrete


Old 02-20-09, 03:24 PM
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Join Date: Feb 2009
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Question about subfloor over concrete

I am looking at installing laminate flooring in a basement over concrete. I live in Minnesota and would like to put a radiant heat underlayment called QuietWarmth under the floor. Does anyone have experience with this product?
Also, I have gathered through reading posts here that it would be recommended to put 6 mil poly down first, then the underlayment, then the flooring. Am I right? Will the heat from the underlayment be too much for the plastic? Does mildew ever rear it's ugly head when you have a plastic barrier on the cement? So many questions.
Thanks for any help
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Old 02-20-09, 05:34 PM
Join Date: Sep 2008
Location: Saint George, Utah
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Follow the manufacturers installation instructions to the letter. You don't want a problem to occur and then someone blame you for not following instructions, even though it may not pertain to the actual issue.

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