Roxul Sound Insulation Review. Roxul safe'n'sound® is a batt insulation designed specifically for interior wall and floor/ceiling applications. I'm planning to use roxul safe n' sound for acoustic insulation in my basement. Comfortboard is a rigid the company also manufactures safe 'n' sound, which reportedly has greater fire resistance and sound.
I'm ready to insulate the walls of my mix room and need a product to soundproof my double layered 5/8 drywall with 1 airspace between roxul safe 'n sound is mineral wool which is used, as you say in your title, for sound insulation, otherwise called acoustic treatment.
However, there are really only a few types of insulation you ought to consider in this case. Second only to my need for warmth in the basement is my need for a sound barrier. Whether you're trying to prevent sound from being transmitted into other rooms or trying to improve the sound quality within a room, insulation works. While rockboard has slightly lower sound absorbing performance, especially at lower frequencies, they have improved thermal insulating capabilities. Primarily for the home theatre room. Roxul safe'n'sound® is a batt insulation designed specifically for interior wall and floor/ceiling applications. My ceiling joists are 12 tall and are spaced ~19 apart. Sound can be insulated by layering the ducts with a suitable duct liner.