The Jones Stephens Duct Liner Roll measures 250 square feet, with a thickness of 1 inch and dimensions of 60 inches by 50 feet. This high-quality duct liner is designed to provide excellent thermal insulation and sound attenuation for HVAC systems. Made from durable materials, it meets industry standards for performance and safety. Ideal for both residential and commercial applications, this duct liner helps improve energy efficiency and reduce noise levels in ductwork. Perfect for contractors and DIY enthusiasts looking to enhance their HVAC installations.