ROBERTS Moisture Barricade is designed for use with vinyl, laminate, SPC and engineered wood flooring to protect finished floors against moisture damage. Recommended by the National Wood Flooring Association (NWFA), this 6-mil thick polyethylene film is a Class 1 moisture barrier over concrete subfloors that protects and extends the life of your floors. Featuring a convenient adhesive strip to help join the film seams and seal out moisture, Moisture Barricade helps save time during installation as well as extends the life of your floors. Can also be used with standard underlayments as an additional layer of moisture protection.