SJI: North American Steel Joist Institute Steel Joist Institute a North American association of steel joist manufacturers provides information on industry news, education, purchasable publications, feature projects, green buildings, listing of members, and more.
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US HUD: Builders Guide To Residential Steel Floors US Department Of Housing & Urban Development online guide provides builders, code officials, homeowners, and design professionals with the information to use steel floor joists in typical residential construction. 1999
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