Comprehensive technical specifications for all models
Meets requirements of U.L.181, SBCC, BOCA, NFPA 90A and 90B, HUD 515-2.1 (b)
10″ W.G. positive, 3/4″ W.G. negative per U.L.181.
GF(R-4.2), GF-6(R-6.0), GF-8(R-8.0) are tested in accordance with U.L.181 and approved for use as a Class 1 air duct material.
5500 FPM
-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