Made from 100% latex rubber, Sound Buffer universal acoustic underlayment can be used under vinyl, laminate, engineered wood, and hardwood flooring and can be floated, nailed, stapled, or glued. Sound Buffer’s IIC and STC sound tests have exceeded the standards for high-rise installations. Available in 36-inch-wide, 200-square-foot rolls with or without seam tape, the recyclable Sound Buffer is 1.2mm thick, offers density of 25 pounds per cubic foot, and has antimicrobial properties. It retails for about 50 cents a square foot.