MP Global Products 100 sq. ft. Rolls 30 x in. W x 40 x ft. L x 6 mm T Polyethylene Film Moisture/Vapor Barrier Underlayment for All Floors

Moisture Barrier is a convenient and effective vapor blocker designed specifically for small to medium-sized flooring jobs. At just 100 sq. ft. per roll, Moisture Barrier eliminates the hassle of dealing with a giant sheet of folded plastic. It rolls out and lies flat, with self-sealing seams making it simple to connect and form a continuous 6 mm vapor barrier between wood or laminate planks and a subfloor.