Product Information

Precast stair units are typically 6″ to 8″ thickness depending on the projects requirements.  Units are cast in steel adjustable forms, number of treads, maximum rise and run and tread kicker shape should all be verify with precaster to reduce cost of custom forms.  Stairs are available in closed riser, half riser and cantilever design.


Standard Design Options

  • Precast stairs erected immediately after supporting structure is complete eliminate the need for temporary stair systems.
  • Adjustable steel forms allow for different tread rise/runs.
  • Stairs can include cast-in tread warning strips or recesses for post erection installation.
  • Precast stairs are extremely durable and maintenance free.
  • Connections can be designed for top of landing access for ease of installation.

3D Viewer

3D Viewer Tools


  • 3D Viewer Functions:
  • Move, Span, Zoom Assemblies
  • Isolate Single Components in View
  • Explode Assembly Single Components
  • Use Markup to Sketch Details
  • General Measurements for Concept
  • Print Views

Need More Info?

We Are Here to Help


Have a question, need a budget or detailed schedule?  Knife River sales team is ready to discuss precast solutions for your project.  Reach out to our staff below :

Image's Zak Perkerewicz

Zak Perkerewicz

Outside Sales Representative

Image's Darren Canepa

Darren Canepa

Commercial Estimator