This listing is for 3 rolls of 600Sqft AMERIQUE 3mm thick blue underlayment padding; With moisture/vapor barrier; mold and moisture protection; non allergenic; sound absorption; With bright blue ...

AMERIQUE 400SQFT 4TH Generation Luxury Platinum 3MM Thick Flooring Underlayment Padding 3-in-1 Heavy Duty Foam with Tape & Vapor Barrier; Anti-crush technology for excellent performance and long ...

Furthermore, rubber underlayment is especially effective ... you want to add a vapor barrier under your backing. Concrete often has extra moisture seepage that even rubber backing may be unable ...