AnsweredAssumed Answered

Insulation for exhaust duct(smoke)?

Question asked by 15910619811 on Nov 2, 2016
Latest reply on Nov 21, 2016 by ryan.wyse@hebronfd.org

Hello, everyone!

I 'm an Chinese engineer for HVAC.

I would like to whether the exhaust duct (smoke) need to be insulated, for protecting burns, in NFPA code?

Thank you!

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