Ensure optimal thermal performance in your HVAC systems with the F&L Johns Manville Duct Insulation Panel, a premium high-density fiberglass board designed specifically for use with sheet metal ductwork in commercial, residential, and industrial applications. Available in multiple thickness options (1", 1.5", 2") with a 3 lb density and an approximate R-value of 6.5, this insulation panel provides excellent resistance to heat loss, noise transmission, and condensation. The durable foil scrim kraft facing adds strength, resists tearing, and enhances moisture control, while the unfaced side allows for flexible installation across a wide range of systems. Engineered for performance, it is rated for service temperatures from -32°F to 450°F and meets key industry standards including ASTM C612, UL723, MIL-I-24244C, and NFPA255, ensuring code compliance and long-lasting reliability. Proudly made in the USA, the F&L Johns Manville duct insulation panel is a trusted solution for improving energy efficiency, indoor air quality, and acoustic comfort in demanding HVAC builds.