fire rated floor deck

huangyhg

fire rated floor deck
does anyone have a detail for a load bearing metal floor deck fire rated 2hr from both sides.

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any steel beams or just concrete over metal deck?
steel beams fire sprayed, no concrete just metal deck///
bare metal deck without concrete fill has no fire rating. there is no tested ul assembly for bare metal floor deck with spray-on fireproofing.
the closest thing might be metal roof deck w/ spray-on plus roofing but you cannot use this assembly if you have no roofing.
i see no way that you can achieve the 2 hour rating as you are asking. i think that you might be stuck adding concrete plus spray-on.