Product details:

Price per 100 sq.ft roll Most Effective underlayment for reducing foot fall noise. IIC74/STC73 Suitable for wood and cement subfloors. Self sealing and Tape System Great for laminate & engineered floating floors Fast & Free Fedex Ground This listing is for a 100sq.ft. roll! Floor Muffler underlayment that has the highest and most effective sound barrier for floating floors and double glue down installation; in commercial and residential applications. This underlayment is not only strong and flexible, but is light as well making it easier for the installer to take up and down wherever it is needed. Dimensions: 39" wide rolls Color: Green 2mm STC Rating: 73db Underlayment width: 39" IIC Rating - 74db 100 square feet rolls Made in the USA Suitable for cement and wood subfloors