Modify type properties to change the construction, materials, treads, and risers for a stair run family.
Run 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 | 
|---|---|
| Construction | |
| Underside Surface | Specifies the style of the underside surface of the run: 
 | 
| Structural Depth | If the Underside Surface is smooth, the Structural Depth is the dimension in the following image:  If the underside Surface is stepped, the Structural Depth is the dimension in the following image:  | 
| Materials and Finishes | |
| Monolithic Material | Click the value and then click the browse button to open the Materials dialog. See Materials. | 
| Tread Material | See Monolithic Material description. | 
| Riser Material | See Monolithic Material description. | 
| Treads | |
| Tread | Select to include treads on steps in the run. | 
| Tread Thickness | Specifies the thickness of the treads. | 
| Tread Profile | Specifies the outline shape for the edge of the tread. The default is rectangular, though a profile could be used to create wedge or angled steps. | 
| Nosing Length | Specifies the amount of the tread depth that overhangs the next tread. | 
| Nosing Profile | The profile for a sweep added to the front or sides of the tread, depending on the specification for the Apply Nosing Profile property described below. See Creating a Sweep. Revit has predefined profiles to use for the sweep. | 
| Apply Nosing Profile | Specifies the nosing edges to which the nosing profile is applied. | 
| Risers | |
| Riser | Select to include risers on steps in the run. | 
| Slanted | Select for slanted risers, or clear for straight risers. | 
| Riser Thickness | Specifies the thickness of the risers. | 
| Riser Profile | Specifies the outline shape for the edge of the riser. The default is Rectangular. | 
| Riser to Tread Connection | Specifies the connection of the riser and tread in relation to each other. | 
| Identity Data | |
| See Stair Component Type Properties for Identity Data definitions. | |