The Whisper Walk Collection is constructed for Sound Attenuation and features an attached cork backing. It has an IIC Impact sound rating of 67. Whisper Walk is made from select grade European White Oak and its 5-3/4-inch wide planks are random length from 15 inches to 86 inches. Whisper Walk also includes a Valinge Drop Lock for easy installation and features a Brushed UV Oil Surface. It is available in 8 colors.