Protecto Wrap - Whisper Mat CS - Soundproof Underlayment

Protecto Wrap Whisper Mat CS is a high-performance soundproof flooring underlayment designed to significantly reduce impact noise and airborne sound transmission in multi-family, commercial, and residential buildings. Engineered for superior acoustic control, this underlayment is ideal for tile, stone, engineered hardwood, laminate, and vinyl plank installations where sound reduction is required or mandated by building code. Whisper Mat CS features a dense, flexible construction that absorbs footfall noise and vibration between floors, helping prevent sound transfer in apartments, condos, hotels, offices, and residential homes. Despite its strong acoustic performance, the material is lightweight, easy to cut, and fast to install — making it contractor-friendly on job sites. Sound Reduction Ratings: 8” concrete slab with ceiling assembly: IIC 72 / STC 72 8” concrete slab (no ceiling): IIC 51 / STC 56 6” concrete slab (no ceiling): IIC 50 / STC 55 Delta IIC: 22 Product Specific