Double Stringer Steel Staircase Detail with Concealed Tread Step


Steel Staircase complete CAD dwg detailed drawing design ready to be used in any project with full detailing. Use as is or as a template.


This is a precise detailed structural CAD drawing for a Double Stringer Steel Staircase with Concealed Treat Step. It will be a great addition to your library when designing steel stairs and it will save you a tremendous amount of time instead of designing it from scratch. It is a full comprehensive design detailed drawing including everything needed to fabricate this staircase.

Downloaded file includes:

  • CAD .dwg file
  • CAD .dxf file
  • PDF
  • unlimited use, unlocked, fully customisable
Double Stringer Steel Staircase Detail with Concealed Tread Step

Interior design staircase

Mainly used as an interior exposed steel staircase with all structural elements visible. Staircase has double UPN profile stringers on each side supported onto middle landing IPE profile main beam with concealed steps.

Tread step is presented with a wooden plank but can be changed to suit any design ( i.e steel plate, encase concrete step, marble step, glass step etc )

Comprehensive detailed design

This comprehensive drawing provides a clear and detailed representation of the staircase, complete with all necessary connection details. Includes middle landing, top floor main supporting beams connection details and ground floor foundation stringer support detail.

  • Tread step detailing
  • Stringer baseplate floor connection
  • Middle Landing detail support
  • Top floor support detail

The drawing is designed to be adaptable to any design project, ensuring that it can be used across a wide range of construction applications.

Concealed Tread Steps

Concealed treat steps are supported from the sides of the two UPN side stringers and are concealed within the height of the beam. Tread step finish is illustrated with a wooden plank 40mm thick but can be altered according to architectural design.

Save time with all projects

Can be used by any engineer, architect, or construction professional working with steel staircase designs.

By utilizing this drawing, you can save time and ensure accuracy in your designs, while also ensuring that your project meets the highest industry standards. With its clear and concise format, this drawing is easy to use and understand, making it a valuable tool for any construction project.

Double Stringer Steel Staircase Detail with Concealed Tread Step - product detailed video

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Additional information


For reference purposes


Product image above is a demo low resolution snapshot for presentation purposes. Purchased content is fully customizable full resolution CAD drawing. Any 3D illustrations are not included


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