240 mil thick 
 
3 in 1 Deadener (Dampens panels, repels heat, and stops reverberations)
 
1.8 Sq Ft Per Sheet - .48 LB per Sq Ft
 
Mass Loaded Vinyl (Prevents Reverberations) - Totaling 180 mil
 
High Temp Butyl Rubber (Dampens Panels) - Totaling 60 mil
 
Foam and Butyl materials sandwich a thin aluminum layer (heat repellent).
 
Adhesive Backed on Butyl Rubber Side.  
 
Includes no asphalt (creates no smell) 
 
Total Thickness - 6mm (.236”)
 
Master carton is 10 sheets.