MoistureBlock is a convenient and effective 6 mil vapor barrier specifically designed for all floating hard surface flooring where subfloor moisture is a concern. MoistureBlock is easy to unroll and lays flat. The self-sealing seams make it simple to join rows, giving you a continuous barrier of protection from harmful subfloor moisture.. Color Family: Black. Commercial / Residential: Commercial / Residential. Flooring Material Features: Waterproofing membrane. Flooring Product Type: Underlayment. Flooring Type: Bamboo,Cork,Engineered Hardwood,Laminate,Prep & Protection,Vinyl,Wood. Location: Floor. Material: Plastic. Number of Rolls Included: 1. Package coverage (sq. ft.): 300. Returnable: 90-Day. Subflooring type: Any. Area Coverage Per Roll (sq. ft. for each roll): 300. Product thickness (mil): 6. Recommended overlap (in.): 0. Roll Length (ft.): 25 ft. Roll width (in.): 144. Package coverage (sq. ft.): 300. Flooring Type: Vinyl. Flooring Type: Laminate. Flooring Material Features: Waterproofing membrane. Flooring Type: Engineered Hardwood. Flooring Type: Wood. Flooring Type: Prep & Protection. Flooring Type: Bamboo