The 1 Thick X 59 X 50 Roll Duct Liner in gray from Jones Stephens Corp covers an area of 246 square feet, providing excellent insulation for HVAC systems. This duct liner is designed to reduce noise and improve energy efficiency, making it an essential component for any ductwork installation. With a thickness of 1 inch, it offers superior thermal resistance and sound absorption. The gray finish blends well with various applications, ensuring a professional appearance. This product meets industry standards for performance and safety.