Modify type properties to change the materials and dimensions for a stair support family.
Support component types are available from 2 predefined system families:



To change type properties, select an element and click Modify tab Properties panel
Properties panel
 (Type Properties). Changes to type properties apply to all instances in the project.
 (Type Properties). Changes to type properties apply to all instances in the project. 
| Name | Description | 
|---|---|
| Materials and Finishes | |
| Material | Click the value and then click the browse button to open the Materials dialog. See Materials. | 
| Dimensions | |
| Section Profile | Specifies the profile for the support in section view. The default is Rectangle. | 
| Flip Section Profile | Select this option to flip the profile shape for the support. This option is helpful if you are using a section profile shape like a C-Channel, and need to flip the profile direction. | 
| Structural Depth on Run | Specifies the depth of the support where it overlaps the run consistently. The depth is measured perpendicular to the support. Refer to B in the following images:   | 
| Structural Depth on Landing | Specifies the distance between the bottom surface of the landing tread and the bottom surface of the support.  | 
| Total Depth | Specifies the total depth of the support. The depth is measured perpendicular to the support. Refer to A in the following images:   | 
| Width | Specifies the width or thickness of the support.  | 
| Identity Data | |
| See Stair Component Type Properties for Identity Data definitions. | |