Transom sidelights

Add mullions both above the opening and on the sides — creating an unlimited number of options to fit your work spaces and architectural needs.

  • add panels or supply glazing for the look your application needs
  • field splices allow for unlimited sizes at the installation site
  • alternative frame profiles and glazing bead options expand options for panels and glazing
  • Use mullions for large openings or to create architectural features.
  • Use panels, display windows, and other materials to do more than just share light with these frames.


  • Unlimited customization options
  • Factory primer per ANSI A250.10

Construction options

  • Opening width, height and jamb depth to your specification
  • All masonry or drywall profiles, or send us your custom profile
  • Various anchor options
  • 16, 14, or 12 gauge cold rolled, galvannealed, G90 galvanized, and stainless steel
  • Knocked-down:
    • KD drywall
    • KD for field assembly
    • KD for customer to weld
  • Factory welded:
    • Face welded
    • Continuously welded
  • Lead lined available


Lead Time Options

  • Standard: 8 to 10 business days¹
  • Express: 1 to 7 business days²
  • Turbo: ships the same day you order

¹ Consult factory for options on larger projects, 25-day standard lead time for stainless
² Lead time based on available capacity at time of order

Don’t see what you need here?  Check out our elevations, KD drywall systems, or specialty frames!