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What Is A Class 1 Air Duct?

January 24, 2024 by David Martineau

What Is A Class 1 Air Duct? What is Class 1? Class 1 represents a material which shall have a flame spread rating of not over 25 without evidence of continued progressive combustion and a smoke-developed rating of not over 50. What is class1 duct? To be identified as an official Class 1 duct, the

What Is Class 1 Duct Tape Used For?

January 24, 2024 by Emily Lee

What Is Class 1 Duct Tape Used For? UL 181B-FX Listed film tape for use on Class 1 Flex Duct for connecting, joining, sealing and patching flexible air ductwork. DC 181 features an acrylic adhesive system, high performance in temperatures ranging from -10 F to 210 F, and is clearly printed with the UL Listing