I have 17” of rock wool in the ceiling, 6” in the walls. For thermal performance reasons mainly, but my architect said to cover with fire resistant burlap instead of sheetrock and I would have a recording studio quality sound to my room. He was not wrong.
I am not a fan of blown in insulation. The off-gassing fumes are terrible. It’s a petrochemical product that’s bad for the environment.
I am not a fan of blown in insulation. The off-gassing fumes are terrible. It’s a petrochemical product that’s bad for the environment.