Introducing our high - quality Reflective Bubble Insulation Sheet, a double - side aluminum foil bubble shield designed to revolutionize your thermal insulation needs. Measuring 23.6 inches in width and 15 feet in length, this insulation sheet is the perfect fit for a wide range of applications, including windows, RVs, roofs, and garage doors. Constructed with a durable double - layer aluminum foil exterior and a robust bubble core, this insulation sheet provides exceptional thermal protection. The aluminum foil reflects up to 97% of radiant heat, while the bubble layer acts as an effective barrier against conductive and convective heat transfer. This combination creates a powerful radiant barrier that significantly reduces heat gain in the summer and heat loss in the winter, helping you save on energy costs all year round.Installation is a breeze. Simply cut the sheet to the desired size using a utility knife and secure it in place with tape, staples, or adhesive. Its lightweight and flexible design make it easy to handle and conform to any surface, ensuring a seamless fit every time.In addition to its thermal benefits, this insulation sheet also offers excellent soundproofing properties, reducing outside noise and creating a quieter, more comfortable environment. It is also moisture - resistant, preventing the growth of mold and mildew, and enhancing the longevity of your insulation.