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Ceiling Grid 12′ Prelude Main Beam 24/ctn

12 ft x 1 11/16 in Armstrong Prelude XL 15/16 in Exposed Tee Main Beam / White – 7300

This hot-dipped galvanized steel 15/16″ suspension system offers high recycled content for improved LEED credits.

  • Seismic Rx Suspension System saves time and money; Armstrong offers an ICC-ES approach to installations (ESR-1308)
  • PeakForm profile increases strength and stability for improved performance during installation
  • SuperLock main beam clip is engineered for a strong, secure connection and fast, accurate alignment confirmed with an audible click; easy to remove/relocate
  • Hot-dipped galvanized coating inhibits red rusting better than electrogalvanized or painted systems
  • Rotary-stitched during manufacture for additional torsional strength and extra stability during installation
  • Fire Guard options offer UL design fire-rated performance
  • Blizzard White powder-coated finish coordinates with CALLA, OPTIMA, ULTIMA, and LYRA ceiling panels for a clean, seamless, monolithic installed visual.



  • Duty Rating: Intermediate Duty
  • Hanger Spacing: 4′ – 13.50 plf, 5′ – 6.35 plf
  • Seismic Category: C
  • Disinfectability: Fog, Spray, Wipe
  • Material: Hot-dipped Galvanized Steel
  • Rout/Slot Spacing and UOM: 6 in
  • Cross Tee/Main Beam Interface: Flush fit
  • End Detail: Staked-on clip (SuperLock)
  • Recycled Content: 30%
  • 240 lineal ft/ctn  20 pcs/ctn


Additional information

Weight .8 lbs
Dimensions 144 × 1.6875 × 1.31 in

Our exceptional customer service and quality products are the reason our clients stay!

A-1 Supply Company has been offering janitorial, environmental and industrial supplies for almost 30 years to commercial businesses, small and large. Clients such as the US Army and Environmental Protection Agency are a great testimony to our services. No organization is too big or too small to take advantage of our phenomenal products.