FLOORLOT SHOP. FLOORS. DELIVERED. 200sqft 3mm Laminate Flooring Vapor Barrier Underlayment Coverage: 200 sqft per roll Includes Moisture/Vapor Barrier. Mold & Mildew Resistant / Non Allergenic Extra Thick 3mm Foam Has Natural Sound Absorption For Laminate & Engineered Floating Floors 3mm Thick / Comes with overlap & tape for easy installation