Concrete Solutions Inc has developed SoundSorb, which is a durable, cementitious, acoustic material that integrates with concrete. It is produced with patented mixing methods using cement and specific proprietary ingredients. Variety of Uses SoundSorb material is highly sound absorptive and is used for acoustical and fireproof values. SoundSorb sound-absorptive walls and barriers are cost competitive with reflective barriers depending on the wall design. Weather Resistant Durable under all weather conditions. No rotting, rusting, warping or discoloration and is mildew resistant. SoundSorb is freeze-thaw resistant due to the free-draining nature of the material