Structural Mullions

Our powerful mullion system makes it possible to combine select windows of the same or different shapes in a pattern all your own.
Tested and rated by the American Architectural Manufacturers Association, OceanView's structural mullion attaches directly to the 
rough opening, delivering great strength and stability to the finished installation—even at large sizes. We also offer the option to 
create expansive window walls with our casements, casement picture windows, and awnings.

Image of a window wall that includes double-hung-picture-double-hung


Integral Mullion, Structural Mullion and Drip Cap with Brackets images


  • Structural mullions provide increased integrity between horizontally and/or vertically adjacent mounted windows
  • A window-wall mull is available for casement, casement picture windows, and awnings