ZAWkirJ 48 in x 48 in x 5 in Weatherproof Window Insulation Kits

Measures 72 inches wide by 10 feet long, providing ample coverage for your project. Features a 5mm thick, R8 rated reflective foam insulation with a double-sided aluminum design. Serves as a highly effective radiant barrier, blocking up to 99.7% of radiant heat to help reduce heating and cooling costs. Easy to use and install, making it a convenient choice for a variety of applications, including ceilings, walls, steel buildings, roofing, and HVAC systems. Constructed in the USA with a durable, long-lasting design that won't lose its performance or provide a vapor barrier over time. Non-toxic and safe for use, with no irritation to skin, eyes, or throat.