SIN Floor: Advancing Cold-Formed Steel in Composite Floor Systems

The design and construction community continues to seek structural systems that balance strength, efficiency, speed, and sustainability. Traditional composite floor systems often rely on heavy secondary framing and extensive shoring, adding both cost and complexity.

SIN Floor introduces a new approach. This cold-formed steel and concrete floor system combines two c-channels, a sinusoidally corrugated deck, and a cast-in-place concrete topping to create a single, efficient structural panel. By embedding the steel sections within the slab and leveraging composite action, SIN Floor delivers long spans with reduced floor depth while eliminating the need for secondary framing or shoring. The result is lighter structures, faster construction, and improved sustainability.

For engineers, architects, and builders, the significance is clear. This system challenges conventional methods and offers practical solutions to pressing industry demands, from accelerating project delivery to reducing embodied carbon.

This session will:

• Demonstrate the structural principles behind SIN Floor’s performance.
• Share testing data on load capacity and fire resistance.
• Explore fabrication methods that make large-scale application feasible.

Participants will gain both technical insight and real-world context, leaving with a clear understanding of how cold-formed steel can redefine composite floor construction.

Learning Objectives

• Recognize the limitations of conventional composite floor systems and how SIN Floor addresses them.
• Understand the structural design and fabrication methods behind SIN Floor.
• Review testing results that validate strength and fire performance.
• Identify project types where SIN Floor delivers measurable value.

Phil Reinders
Steelcon Inc.

Phil Reinders is a Professional Engineer with more than five years of industry experience. As a Design and Development Engineer at Steelcon, he plays a key role in the delivery of innovative structural steel solutions that prioritize quality, sustainability, and performance. Phil’s technical expertise and dedication to research excellence ensures that Steelcon continues to push the boundaries of design while delivering exceptional value to clients. Throughout his career, Phil has worked on numerous high-profile projects, refining his skills in structural analysis, design optimization, and project management. He has been recognized for his ability to solve complex engineering challenges and deliver projects that meet the highest industry standards. Phil holds a Master of Applied Science in structural engineering from McMaster University and is a licensed Professional Engineer.

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