To Define Curtain Wall Unit Mullions by Width and Depth

You can define mullions by specifying a width and a depth.

Specifying mullion width and depth

Tip: To remove mullions for butt glazing, create a definition with both width and depth set to zero. Then, assign that definition to the mullions that you want to remove.
  1. Click Manage tab Style & Display panel Style Manager .
  2. Expand Architectural Objects, and expand Curtain Wall Unit Styles.
  3. Select a curtain wall unit style.
  4. Click the Design Rules tab.
  5. In the left pane, select Mullions under Element Definitions.
  6. Click New Mullion.
  7. Enter a descriptive name for the mullion.
  8. Specify a width and depth for the mullion.
  9. Specify the offsets you want.
  10. Click OK.
  11. After you create a mullion definition, you can assign it to any mullion in a curtain wall unit.