New Millennium Building Systems

Steel Joist & Deck

Steel Joist and Decking Overview

New Millennium engineers and manufactures standard steel joists, architecturally unique “special profile” steel joists, and steel roof and floor decking. We pioneered the Flex-Joist™ tension-controlled, open web steel joist design approach for increased steel joist strength, reliability and ductility.

  • Steel Joists and Joist Girders Steel Joists and Joist Girders

    Steel Joists & Joist Girders

    Steel joist products include K, LH and DLH Series joists and Joist Girders, designed and manufactured in accordance with the specifications of the Steel Joist Institute. New Millennium can also provide CJ Series (Composite Joist), designed and manufactured in accordance with the specifications of the Steel Joist Institute.

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  • Steel Roof & Floor Decking Steel Roof & Floor Decking

    Steel Decking

    Steel decking products include roof deck, form deck, composite deck, and steel deck accessories. All metal decking is designed and manufactured in accordance with the specifications of the Steel Deck Institute.

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  • Special Profile Steel Joists Special Profile Steel Joists

    Special Profile Steel Joists

    We manufacture a complete range of special profile steel joist products, including bowstring, arched, scissor, double- and single-pitched steel joists. Depending on jobsite location, steel joists can be furnished as a single piece up to 15 feet deep and 125 feet long. By using field splices to increase lengths and/or depths, the possibilities are virtually limitless.

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  • Flex-Joist™ Tension-controlled Flex-Joist™ Tension-controlled

    Flex-Joist™ Tension-Controlled Open Web Steel Joists

    New Millennium developed the Flex-Joist™ tension-controlled, open web steel joist design approach for building applications where roof overloading may be a concern. Flex-Joist is engineered to be stronger with increased ductility and a higher reliability index.

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