Creating Solid Precast Concrete Stairs


Reference Number: KB-03232
Last Modified: December 20, 2025

QUESTION

I need to create and use some solid precast concrete stairs for my design. How do I create these in Chief Architect? 

3 different styles of precast concrete stairs.


ANSWER

Solid precast concrete stairs can be modeled using the Stair tool, which can then be added to your library browser for feature use. 


To create solid precast concrete stairs

  1. Navigate to Build> Stairs> Draw Stairs  and click and drag to create a staircase.


  2. Select your staircase using Select Objects tool, then click on the Open Object  edit tool.


  3. In the Exterior Staircase Specification, on the General panel:

    General panel of the Staircase Specification.

    • Adjust the Length and Width of the staircase.

    • You can switch from Automatic Treads to either Lock Tread Depth or Lock Number of Treads to manually control your tread information.

    • You can uncheck Automatic Heights to manually control your staircase Bottom Height, Top Height, and the Riser Height.

      Take note of the Top/Bottom Height, as we will use this information on the Stringers panel.

      It is recommended to keep Automatic Treads and Automatic Heights enabled until you have your stairs correctly positioned. 



  4. On the Style panel:

    Style panel of the Staircase Specification.

    • Adjust the Tread Overhang and Tread Thickness to your liking.

    • Uncheck the Open Risers and keep the Open Underneath checkbox checked.


  5. On the Stringers panel:

    Style panel of the Staircase Specification.

    • Set your Stringer Style to Custom Stringers and enable both the Left and Right stringers. 

    • Set your Height Below to the Top/Bottom Height value that is reported on the General panel. 

    • To have stringers that rise above the stairs, check the Ext checkbox and specify the extension value.

    • Uncheck the Trim Against Wall checkbox.


  6. On the Railing panel, you can control the railing style or turn the railing off entirely.


  7. On the Newels/Balusters panel, you can customize your railing and adjust its offset to align it on your stringers.


  8. On the Materials panel:

    Materials panel of the Staircase Specification.

    • While holding the Shift key on your keyboard, select the Riser list item and then select the Underside list item to group select multiple components. 

    • Click Select Material to open the Select Material dialog.

    • Select an appropriate concrete material and click OK

      Concrete materials can be found by navigating to Core Catalogs> Materials> Concrete.


  9. Click OK to close the dialog and save your changes.


  10. Using the Select Objects  tool, click on your staircase to select it and use the Add to Library * edit tool to add the staircase to your User Catalog for future use.

    *Applies to Chief Architect Premier X16 and newer. Not Available in Home Designer.

    Add your stairs to your User Catalog.

By changing the settings on these panels, you can create various different styles of stairs. 

For example, this style of staircase was created by setting the Tread Overhang to 0".

Concrete stair with no overhang.


The staircase shown below is using a 1" Tread Overhang and a 1" Tread Thickness.

Concrete stairs with a tread overhang.


The staircase shown below was created by using Custom Stringers and setting both the Left and Right Stringer to have a 3" Extension above the tread.

Concrete stairs with concrete stringers.