There are two main criteria your carpet tiles need to meet to beat sub floor moisture problems.
Vapor barrier for carpet tiles.
For pricing and availability.
Quietwalk sound absorption and vapor barrier 100 sq ft premium 3 mm flooring underlayment.
Nance carpet and rug versapad 180 sq.
Vapor barrier is installed right underneath the floating carpet tiles and due to that if any kind of liquid comes over the carpet it will not get seep through the floor base.
Let me tell you quickly how.
Once you feel that moisture is accumulating at a particular square or tile you can easily remove it and clean it with water.
2 moisture resistant adhesive.