I have a 20-ft x 30-ft exterior projection that was initially supposed to be open to the sky. The builder made it open on two sides at the bottom with a 12-ft lid. The construction above goes to the roof and is concealed with no access from inside or outside, and it all is of non-combustible steel beams and joists with metal siding.
The million dollar question - sprinklers above and/or below? Or nothing at all?
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