The Jones Stephens Duct Liner is a high-quality insulation solution, measuring 48 inches wide by 100 feet long and 1/2 inch thick. This roll is designed for effective thermal and acoustic insulation in HVAC systems. Made from durable materials, it provides excellent sound absorption and thermal resistance, ensuring energy efficiency in your heating and cooling applications. The gray finish is aesthetically pleasing and blends well with various installations. Ideal for both residential and commercial use, this duct liner meets industry standards for performance and safety.