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T-Deck Metal Roof - 8T18

T-Deck Metal Roof - 8T18

T-Deck Metal Roof - 8T18

(OP)
Hello, long time reader, first time writer.

I'm working on an existing building and one of the elements used I'm unfamiliar with. The roof is constructed of a metal deck/ purlin combo. It's called t-deck in the drawings and the specific one used is 8T18. It's basically a little cold formed steel upside down T with a wiggly deck portion off to one side. The deck end is welded to the next T piece to form the diaphragm and the T portion is used as a purlin for gravity loads.

Try as I might, I can't find anything online about ANY t-deck in existence. It may be out of date, but I'd like to learn more about it's capacity for this retrofit/redesign project.

Thanks!
D

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