**You will receive 4 rolls covering 400sqft** Acoustic 2.3mm 3in1 Underlayment/Silent Padding 3in1: 1: Padding(cushion) 2: Moisture Barrier 3: Sound Reduction **This covers 100sqft per roll*** Product Features: - Provides more stable and support - Better sound absorbingof foot traffic - Corrects minor sub floor imperfection - Moisture Vapor barrier - Stress Crack Resistant - Water Proof - Will not disintegrate like cork Structure: 3 in 1 Black Foam(60%)/Rubber(40%) ETHYLENE VINYL ACETATE (EVA) with 0.3 moisture barrier Sound Rating: IIC at 62 Decibels and STC at 63 Decibels Adhesive: Yes, adhesive tape strip Thickness: 2.3MM Color: Black/Red Roll Size: 100sqft ± 2%: Approx. 43" x 670" Search Words: Home Depot, flooring, laminate, wood, hardwood, floating, material, condition, great, padding, waterproof, WPC, 12mm, Lowes, sound, muffler, acoustic, Traffic Master