US Energy NASATECH (Pre-Cut for 16 Panel) 2 Car Garage Door Reflective Insulation Kit (R8) 1/4 thick w/ New And Improved Super Heavy Duty Double Sided Foam Tape Fits 16x7 16x8 18x7 18x8 Garage Doors

Garage Door Reflective Insulation Kit (Made in the USA) Size (Fits Double Car Garage Doors up to 18ft) Material's Included in Kit: 4 Rolls of 18ft x 24inch Reflective Foam Core (5/16 thick) Heavy Duty Double Sided Foam Core Tape Step by Step Instructions Squeegie and Razor Phone Support Customer Service by Yours Truly Thank you

This is the upgraded 5/16 Foam Core with Super Duty Double Sided Foam Tape Two Car Garage Door kit that Creates an air pocket to obtain an R8 value insulation!!!
Light Weight and Easy to install (no impact on garage door performance)
Saves heating/cooling costs: (keeps the heat i during winter, keeps the heat out in the summer)
Thickest Reflective foam core insulation on the market (5/16" thick) The other kits are 1/4 and less thick!
Very clean, finished look!!! Non toxic / Non carcinogenic / Non Fiberglass