20 Sq. Ft Premium Sound Deadening Elastomeric Butyl Base Material Bonded Aluminum Thermal Layer High-Tack Self-Adhesive with Peel n' Stick installation Heavy Duty Kraft Paper Backing for easy removal Remains Adhered under extreme thermal Conditions Material Thickness: .09" (2.3mm) Aluminum: .04" (1mm) Elastomeric Butyl: .86" (2.2mm) Material Temperature Specifications Cold Resistance: -60°F (-51°C) Heat Resistance: 480°F (250°C) |