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Fire rated floor deck

Fire rated floor deck

Fire rated floor deck

(OP)
Does anyone have a detail for a load bearing metal floor deck fire rated 2hr from both sides.
 

RE: Fire rated floor deck

Any steel beams or just concrete over metal deck?

RE: Fire rated floor deck

(OP)
Steel beams fire sprayed, no concrete just metal deck///

RE: Fire rated floor 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.

 

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