• Steel decking originally designed as a structural member with concrete added only to provide a flat walking surface and fire resistance.
• Composite steel deck manufacturers of the 1960s had their products individually validated, leading to specifications particular to each company’s products
• AISI funded research to unify one design standard
• Implementation of one code grew the market for steel decking
• Steel Deck Institute (SDI) continued to further the development of standards in response to technology advances
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