Skip to the main content.

THE SYSTEM
WHY IT WORKS
PROJECTS
SUSTAINABILITY
FOR ENGINEERS

<span style="font-size: 14px;">Start a Project<br></span>

<span style="font-size: 14px;">Start a Project<br></span>

THE SYSTEM
WHY IT WORKS
PROJECTS
SUSTAINABILITY
FOR ENGINEERS

Facebook Instagram Linkedin X YouTube Medium

D-Beam® Girder Calculator

GIRDER-SLAB®

The established standard for achieving low floor-to-floor heights with structural steel in multi-story residential construction.

THE SYSTEM

How It Works
D-Beam® Technology
Assembly Sequence
Fire Rating (UL K912)

WHO IT'S FOR

Developers
Structural Engineers
General Contractors
Architects

RESOURCES

Girder Calculator
CAD Details
Spec Guide
Design Guide v3.5

Legal Stuff
Privacy Policy

© 2026 Composite Structural Steel Systems, LLC. All rights reserved. GIRDER-SLAB® and D-BEAM® are registered trademarks of Girder-Slab Technologies, LLC.

X Linkedin