Concrete substrate must be tested in accordance with the flooring manufacturers instructions.
Vapor barrier laminate flooring concrete.
If your concrete passes the moisture test then plastic sheeting at least 6 mils thick will prevent moisture from getting into your laminate flooring.
Excessive moisture can be found in a concrete slab of any age.
200sqft 3mm laminate flooring vapor barrier underlayment by floorlot.
Robert s 70 193a super engineered wood and laminate flooring underlayment.
A concrete vapor barrier is any material that prevents moisture from entering a concrete slab.
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 floor will be used for any purpose where the passage of water vapor through the floor may create problems.
It needs to dry and then stay dryto avoid flooring problems.
Reviews of top 5 best underlayment for laminate flooring on concrete.
Where plastic sheets must be joined overlap the sheets by several inches and use strong vinyl tape to secure them.
Before rolling out the underlayment be sure to sweep vacuum and remove all debris on the substructure.
Install a plastic vapor barrier.
A vapor barrier under laminate floor reduces damage.
All in one laminate underlayment cushions with a vapor retarder attached are available.
Not all manufacturers require the same tests and not all floors are the same.
How to install vapor barrier on concrete floor under laminate flooring always read the flooring manufacturers recommendations and instructions before installing the underlayment.