Originally posted by gordy Thanks for answering my question people. I was just curious now I know. God for bid the ductwork catches on fire. I agree if one gets out with out choking from the foams, carpets,plastics ect. in a home. Makes a fire rating on ductwork a mute point if you ask me.
Gordy
That right gordy.Its the first 5' of duct that they make a fire rating on.
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