Sold as bundles of 6 panels per case. Roxul Rockboard 80 (8lb density) acoustic insulation is used to build broadband acoustic panels and bass traps.
It is the preferred choice to the Owens corning rigid fiberglass for less cash.
Mineral Wool Insulation in 8lbs per unit density.
Nice as Acoustic insulation or as a soundproofing subject matter
Value effective and Very Prime NRC Rating, better than Owens Corning 703
Water repelling – hydrophobic- Elegance A hearth rating
Rigid Boards, very best for making acoustic panels and bass traps