Enhance your home's energy efficiency with this versatile reflective radiant barrier insulation. This 48-inch wide, 50-foot long roll offers exceptional thermal resistance, ranging from R-3.7 to R-21, making it an ideal choice for multiple applications. Whether you're insulating attics, walls, or basements, this durable and easy-to-install solution helps maintain indoor comfort while reducing energy costs. Covering 200 square feet, it's perfect for both residential and commercial projects, seamlessly delivering improved insulation and protection against heat loss or gain.