Add up to 8 and is a great Sound Deadener / Light Weight and very effective / Class 1 Class A Fire rate This Kit Includes: 5 rolls of 2ft x 18ft White/Foil Foam Core Insulation, Heavy Duty Double Sided Tape, Razor, Squeegee, Easy Instructions Made in the USA / Ships form USA / Meets all US and Intl Fire Codes New and Improved Heavy Duty Tape (used in the Automotive Industry) Can be used in Extreme hot and cold climates WE OFFER PHONE SUPPORT CALL ME IF YOU NEED HELP Extra Large Two Car 5 PANEL Garage Door Creates an air pocket to obtain an R8 value insulation!!! Saves heating costs in winter, reduces heat loss through the garage!!! Can reduce the inside garage temperature 30 degrees in summer and turn it into a comfortable working Very clean, finished look!!! Non toxic / Non carcinogenic Made in USA