Sold as bundles of 12 panels per case. Roxul Rockboard 60 6lb density acoustic insulation is used to construct broadband acoustic panels and bass traps. It is a wonderful selection if used as as Acoustic insulation or as a soundproofing subject material.
Mineral Wool Insulation in 6 pounds per cubic foot density.
Nice as Acoustic insulation or as a soundproofing subject material
Very Prime NRC Rating, higher than Owens Corning 703
Water repelling – hydrophobic- Elegance A hearth rating
Rigid Boards, easiest for making acoustic panels and bass traps