Do You Need Moisture Barrier Under Laminate Flooring. With that, you can slowly proceed with the application under the laminate flooring. How long does a flooring vapor barrier last? Some best foams have attached additional layer which functions as the best moisture barrier.
If the flooring feels hollow afterward, it could be a problem. These are 7 1/2 planks. I was not aware of any moisture problems with the slab until about 2009 when i installed laminate with a vapor barrier.
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There are any number of underlayment products to choose from when choosing an underlayment for laminate flooring, and it helps to know the features to look for. You will need a moisture barrier underlayment when installing: Do i need to install a vapor barrier? All flooring is still acceptable to excessive moisture, alkalis in the subfloor and conditions arising from hydrostatic pressure.