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.
- Click .
- Expand Architectural Objects, and expand Curtain Wall Styles.
- Select a curtain wall style.
- Click the Design Rules tab.
- In the left pane, select Mullions under Element Definitions.
- Click New Mullion.
- Enter a descriptive name for the mullion.
- Specify a width and depth for the mullion.
- Specify the offsets you want.
- Click OK.
After you create a mullion definition, you can assign it to any mullion in a curtain wall.