Quiet Down IIC Rating: 73dbSTC Rating: 71dbWater Resistance: Waterproof (Moisture can not penetrate closed cell membrane)Thinkness: 1.5mmRoll Width: 3.5 Ft.Sq Ft per Roll: 100 Sq. Ft.Sq Ft per Pallet: 5000 Sq. Ft. (50 rolls)