many moisture problems associated with interior concrete floors and slabs on grade can be minimized or eliminated by installing a vapor barrier under the concrete. a vapor barrier should be used for all concrete floors and slabs that are going to receive an impermeable floor finish like epoxy, laminate, linoleum, and wood or if the concrete
concrete may seem very dense, but it is actually full of small pores that will absorb water from the ground. when installing certain types of flooring -- such as sheet vinyl -- the moisture content of the concrete can be a problem. without the proper moisture barrier, vinyl flooring acts as a moisture barrier, causing it to buckle, bubble and lift.
how to install vapor barrier on concrete floor under laminate flooring. always read the flooring manufacturers recommendations and instructions before installing the underlayment. before rolling out the underlayment, be sure to sweep, vacuum, and remove all debris on the substructure.
this video demonstrates how to install a moisture barrier over a concrete subfloor. for more information about this video or fausfloor products visit www.fa
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where to get a 'true' vapor barrier. the best vapor barriers for concrete floors and slabs are a new generation of poly made from high quality polyolefin resins that are designed to ensure low permeability, high tensile strength, and superior puncture resistance compared to regular polyethylene sheeting.
moisture can come up through your subfloor, especially if you are installing over concrete or below-grade. a moisture barrier is need to protect the flooring against moisture or moisture vapor. along with the moisture barrier, you may want to install an underlayment. it insulates and cushions the flooring, making it more comfortable to walk on.