insulation to reduce the noise
As compared to other economical insulation options, cellulose provides good thermal performance with an R-value of 3.8 per inch. Cellulose insulation has received the highest fire safety rating (class 1), and can easily fit around items in your walls like pipes and wiring. Cellulose insulation is most often used in the cavities of walls and roofs to insulate, reduce noise, draught proof, and even provide added control against mold.