What’s the typical depth of metal roof decking?

Metal roof decking depths are made with ribs as small as 7/8” up to over 7” and in gauges as thin as 24 and as thick as 16.  The depth and gauge of metal roof decking determines the strength and most metal roof decks are designed in accordance with the ANSI / Steel Deck Institute “RD1.0-2006 Standard for Steel Roof Deck” in conformance with the 2015 IBC.