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Minimum duct thickness of galvanized steel ducts

Question asked by sahawnehmajdi on Sep 26, 2019
Latest reply on Oct 1, 2019 by sahawnehmajdi

Dear Pros.

 

I am trying to find in NFPA the minimum duct thickness of galvanized steel ducts used in smoke management in car parking? or in other standards?

 

I could only find for carbon steel and stainless steel for kitchen grease ducts in NFPA 96 .

 

Regards,

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