With a vapor barrier in the floor everything below it can get damp from crawlspace moisture but things above are protected.
Vapor barrier vinyl flooring.
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 as it stands everything below the tile can get damp.
That s causing trouble with the particle board.
Without the proper moisture barrier vinyl flooring acts as a moisture barrier causing it to buckle bubble and lift.
Acoustical underlayment w vapor barrier for luxury vinyl flooring 54 pack model qwlv100 2 430 00.
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.
Acoustical underlayment with vapor barrier for luxury vinyl flooring qwlv100 the home depot.
Find vapor barrier flooring underlayment at lowe s today.
If you had a vapor barrier as listed above only the plywood below it could get damp.