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kevinhoene

Metal deck or saltwater treated plywood for elevated concrete deck

kevinhoene
8 years ago

Hi all,

We will have a concrete deck off our second floor that will serve as the roof of our covered patio.

The rear elevation shows the deck, but we would like to eliminate the middle column.

We will support the deck with 3 columns flush against the house (which are somewhat hidden behind supports between the windows) and 2 columns at the end of the concrete deck. Our engineer told us we could eliminate the middle column at the end of the deck by using larger beams to maximize our nice view. We will likely use either pine or cedar for the patio ceiling (underside of concrete deck).

The engineer said he has seen elevated decks built a couple different ways. One way is to pour the 4" to 5" of steel reinforced concrete on top of a corrugated metal deck. The deck is supported by steel columns and beams. Another way is to pour the concrete onto saltwater treated plywood that is supported by steel columns and beams. There would also be wooden joists.

The engineer will have structural details for us by later this week, but would like to get opinions from GardenWeb/Houzz about the best way to construct our deck.

Are there certain details that you would recommend for our deck? Pour onto corrugated metal deck or plywood?

Thanks!

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