Reach Barrier 3122 Silvertanium Garage Door Insulation Kit 50-Percent lighter and thinner than other barriers 4-times the tear resistance of competing brands and coated with a protective coating Blocks up to 95-Percent of radiant heat by slowing the movement of convection and conductive heats Keeps your home cool in the summer and warm in the winter 100-Percent recyclable and made in America