QuietWalk Sound Absorption and Vapor Barrier 360 sq ft Premium 3 mm Flooring Underlayment Diamond Plate Flooring These zinc kissed washers bring a EB11700 These zinc kissed washers bring a clean Drilled with 4 in Underlayment with superior absorption and moisture control Treated with anti microbial to inhibit mold and mildew growth No volatile organic compounds allowing your family to breath clean air in your home Laminate floor underlayment used for floating floor installations Greenguard Gold Certified Meets health based criteria for additional chemicals and also requires lower total VOC emissions levels to ensure that products are acceptable for use in environments such as schools and healthcare facilities Use with laminate underlayment