BULK PACK - 9 SHEET = 36 SQUARE FT • Use on all metal panels, doors, roof, floor, firewall & trunk • Highest damping vs. weight ratio of any material available • Improves overall audio frequency response and bass output • Kills panel resonance, squeaks and rattles • Expert level sound damping • Minimum Thickness 0.080in • Minimum Weight 0.65bs/ft2 • Aluminum Layer- 6 mils • Easy installation • Aluminum outer layer • Self adhesive (18 x 32)