If not you will have to look into purchasing a 6 mil vapor barrier first.
Do you need underlay for vinyl flooring on concrete.
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.
A vinyl floor usually features a base layer which serves the purpose of an underlay thereby removing the need for an additional underlay.
For vinyl flooring installations over wood subfloors you will not need to worry about a moisture barrier but you may want an underlayment for added cushion or sound reduction.
For the case of concrete floors an underlay is necessary for your sub floor.
As a result vinyl floors do not wobble or buckle under your feet.
To eliminate this concern you will need a vapor barrier that is placed right above the concrete slab.
Vinyl underlayment is an optional add on to click lock vinyls that are 4mm or thicker.
The design of vinyl flooring prevents the need for an underlay.
When installing this kind of underlayment over mortar or concrete it can float but the edges still need to be taped.
A vinyl flooring underlayment will not be as thick as a laminate or hardwood underlayment.
The underlay adds an extra cushion on your floor and makes it softer and increase the floors insulating capability thus keeps it warm even during winter.
It may also be a requirement in certain hoa or apartment complexes to have a sound barrier with your flooring.
So technically if you are installing vinyl plank flooring onto concrete you already have a subfloor.
Vinyl floors that are glue down or loose lay will not need a vinyl underlayment as these floors will be installed directly over the subfloor.
The key to installing luxury vinyl over concrete is to ensure the floor is level and clean.
If you ve chosen to go the vinyl path you re probably wondering about the best underlayment for vinyl plank flooring.
Keeping your floor warm from cold concrete.
Installing new flooring is a costly enterprise so you want to get it right the first time around.
Vinyl flooring by its very design is very stable.
However some people prefer to add another thin layer of subflooring between the concrete and vinyl.
Actually you may not even need underlayment depending on the product and where you plan to install it.
So the first thing you want to look at does the underlayment have a built in vapor barrier.
Extend the underlayment all the way to the walls.
If you are using a paper or fiber sheet underlayment leave an inch or two extra that you can trim off after you ve installed the flooring.
This additional layer can improve insulation and should make your vinyl plank flooring warmer and less resonant.
The most asked question is on whether you need underlay for vinyl plank flooring or not.