SOFTR® duct wrap is a blanket of glass fiber insulation factory laminated to FRK vapor retarder facing. A 2" (50mm) stapling and taping flange is provided on one edge. This product is designed to meet existing performance standards such as NFPA 90A and 90B and other model building and energy codes. SOFTR® duct wrap is used for external insulation of commercial and residential heating, air conditioning and dual temperature ducts operating at temperatures from 40°F (4°C) to 250°F (121°C). This insulation, when applied in accordance with installation instructions, will provide the "installed R-value" as published for the product and printed on the facing, assuring specified in-place thermal performance and condensation control. Assured Thermal Performance when installed in accordance with instructions so that compression is controlled, SOFTR® duct wrap provides specified thermal performance.