ROBERTS Moisture Barricade is a polyethylene film designed for use with vinyl, laminate, SPC and engineered wood flooring underlayments to protect finished floors against moisture damage. National Wood Flooring Association (NWFA) recommended, the 6-mil thick polyethylene films is a Class 1 moisture barrier to protect and extend the life of your floors. Featuring a convenient adhesive strip to help join film and seal out moisture, Moisture Barricade helps save time during installation as well as extends the life of your floors.