Make unique building designs with special profile joists

Special Profile Joists

40,000 ways to change the shape of steel buildings

Special profile joists turn elaborate design visions into reality while containing costs

Move beyond ordinary. Special profile joists open up a world of unique architectural design possibilities that are practical and economical while delivering enhanced project performance. Special profile steel joists are available in a range of profiles that includes gable, bowstring, arched, scissor and double-pitched joists.

Our leading development of engineering specifications enables over 40,000 special profile steel joist design possibilities. To navigate the choices, New Millennium offers assistance in the form of early design collaboration.

Gable

Gable

Flat Top Gable

Flat Top Gable

Scissor

Scissor

Compound Scissor

Compound Scissor

Bowstring

Bowstring

Sloped Bowstring

Sloped Bowstring

Arch or Barrel

Arch or Barrel

Sloped Arch or Barrel

Sloped Arch or Barrel

Manufactured in accordance with Steel Joist Institute specifications
Furnished with no camber unless otherwise specified
New Millennium engineers are readily available for consultation
All rows of bridging are bolted diagonal bridging

Load tables

Get our latest design and specification guides PDF with up-to-date standards and load tables.

Special profile joist design tool

Our online tool allows you to explore a full palette of special profile options, including gable, bowstring, scissor and arch steel joists.

Improve design, reduce costs

Use our BIM tool to optimize your project’s cost and performance, as well as reduce RFIs and streamline communication.

Case Study

Exterior of Tool Flo building

Creating ‘industrial art’ at manufacturing facility

In Pearland, Texas, 110-foot bowstring girders help produce contemporary, “awe-inspiring” interior at Tool-Flo warehouse and production space.

Cover of Specialty Joist Brochure

Special profile joists brochure

See how architecturally enhanced roofing systems can be achieved with our line of special profile joists.

Building success together