Vapor Barrier Under Vinyl Plank Flooring On Concrete

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Vapor barrier under vinyl plank flooring on concrete.

Just ensure any underlayment you add is thin so it doesn t impact the locking process of the vinyl planks. A concrete floor seems like the perfect base for a vinyl floor installation. Our moistureblock is a 6 mil polyethylene film vapor barrier that is used during the installation process with floating laminate luxury vinyl planks and engineered wood floors. So technically if you are installing vinyl plank flooring onto concrete you already have a subfloor.

Second you may want an extra vapor barrier above the subfloor to reduce any risk of moisture. A concrete floor with a too high moisture content can wreak havoc on a vinyl floor. A concrete floor may need a moisture barrier before vinyl flooring can be installed. However some people prefer to add another thin layer of subflooring between the concrete and vinyl.

You also do not need an underlayment if your vinyl plank flooring has underlayment installed however you may need a vapor barrier. Lastly if you live in a colder climate a concrete subfloor tends to take on the cold temperature. A concrete subfloor is porous so moisture tends to be a concern in areas such as basements. Format s not supported or source s not found.

If you re installing it over concrete and you have a question about moisture issues consider adding a vapor barrier underlayment first that will product against water problems. For installation of vinyl flooring you need a smooth even surface for the underside of the flooring to achieve the best contact for adhesion. This additional layer can improve insulation and should make your vinyl plank flooring warmer and less resonant. No need to bother with large fold out low quality off spec construction grade films which can be bothersome and hard to use before the floor is installed.

However you ll want to use one in every other application including covering existing hardwood floors vinyl flooring that isn t cushioned and concrete floors. If you are installing your vinyl plank flooring over a concrete subfloor you may want to use an underlayment for three reasons. Moisture will get through so even if you don t add an additional underlay you do need to seal the concrete.