Meets requirements of U.L.181, SBCC, BOCA, NFPA 90A and 90B, HUD 515-2.1 (b)
R-Value 4.2, 6.0, and 8.0 determined in accordance with Adc Flexible Duct Performance and Installation Standards as published(1991) per ASTMC-518 at installed wall thickness in flat configuration.
10″ positive, 3/4″ W.G. negative per U.L.181.*
-20 F to 250 F
U.L. 181 (Flame spread less than 25, smoke developed less than 50)
Complete technical specifications for all Metalized Polyester Insulated Flex Duct Models.
Step-by-step printable instructions for proper installation