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NFPA 96 Exhaust Fan Interior Installation

Question asked by firesafety1 on Sep 2, 2020
Latest reply on Sep 8, 2020 by milt.werner

Hi there, 


Has anyone ever seen an NFPA 96 compliant installation where the kitchen exhaust fan (utility set fan) has been installed in the attic of a combustible building, which is then directly vented to the exterior? 


Would such an installation method be permitted under NFPA 96? I have never heard of such a method, as all of the fan's i've seen are installed on the rooftop/exterior, not inside the building. 


Thank you,