2 x 1 Sq. Ft Premium Sound Deadening Sheets Elastomeric Butyl Base Material Bonded Aluminum Thermal Layer High-Tach Self-Adhesive with Peel n' Stick installation Heavy Duty Craft Paper Backing for easy removal Remains Adhered under extreme thermal Conditions
2 x 35 Sq. Ft Premium Sound Deadening Rolls Elastomeric Butyl Base Material Bonded Aluminum Thermal Layer High-Tach Self-Adhesive with Peel n' Stick installation Heavy Duty Craft Paper Backing for easy removal Remains Adhered under extreme thermal Conditions