1830 Intermediate-Duty suspension is made from  G-60 hot-dip galvanized steel with aluminum cap for increased corrosion resistance in harsh interior environments. 1830 with 15/16” exposed face is designed for use with industry standard acoustical panels and diffusers, is flame spread Class A and fire rated with multiple listings with Underwriters Laboratories Inc. (ULI).

  • Standard 24” x 24” and 24” x 48” module configurations.
  • Works with most infill panels.
  • Standard main tees available with cross tee slots spaced every 6”.
  • Metric and non-standard lengths available.
  • Meets ASTM C635 duty classifications.
  • Over 75 UL Fire Resistance Designs.
  • Chicago Metallic suspension systems meet a Class-A flame spread rating in accordance with ASTM standard E1264-08.

For more information, please consult the product catalog to the left!

Product Catalog

Chicago Metallic - 1830 HDG Steel