CFT Joist System
Engineered cold-formed steel joists for lightweight, high-performance floor construction across residential and commercial projects. Advanced design delivers superior strength-to-weight ratios.
Quick Specifications
8" - 16"
- Depth Range
16-20 Gauge
- Steel Thickness
33-50 ksi
- Yield Strength
12" - 24" OC
- Spacing
30' Max
- Span Capability
System Overview
The CFT Joist System represents the next generation of cold-formed steel floor framing technology. Engineered for optimal performance, our joists deliver exceptional load-carrying capacity while maintaining the lightweight advantages of cold-formed steel construction.
System Advantages
- Superior strength-to-weight ratio
- Dimensional stability and straightness
- Fast installation and assembly
- Consistent quality and performance
- Compatible with standard floor systems
- Fire-resistant and non-combustible
Material Excellence
- ASTM A653 structural grade steel
- G90 galvanized coating for corrosion protection
- Precision roll-formed manufacturing
- Quality control testing and certification
- Environmentally sustainable materials
Standard Joist Specifications
|
Depth (in)
|
Flange (in)
|
Gauge
|
Weight (lb/ft)
|
Max Span (ft)
|
|---|---|---|---|---|
|
8
|
2.5
|
18
|
2.15
|
16
|
|
10
|
2.5
|
18
|
2.56
|
20
|
|
12
|
3.0
|
16
|
3.33
|
24
|
|
14
|
3.5
|
16
|
3.89
|
28
|
|
16
|
3.5
|
16
|
4.15
|
30
|
Load Performance
- Live load capacity: 40-100 PSF
- Dead load: 10-20 PSF (typical)
- Deflection limit: L/360 under live loads
- Total load deflection: L/240
- Vibration performance: Meets comfort criteria
- Point load resistance: Up to 1,000 lbs
Applications & Design
Residential Applications
CFT joists provide homeowners and builders with a reliable, high-performance floor framing solution that combines the benefits of steel construction with the ease of traditional wood framing installation methods.
Residential Benefits
- Long clear spans reduce need for interior bearing walls
- Consistent dimensions eliminate floor squeaks and bounce
- Lightweight construction reduces foundation requirements
- Non-combustible material enhances fire safety
- Pest-resistant and rot-proof construction
- Compatible with radiant heating systems
Common Residential Uses
- Single and multi-family home construction
- Basement and crawl space applications
- Elevated deck and porch systems
- Addition and renovation projects
- Modular and panelized construction
- Multi-story townhome developments
Commercial Construction
In commercial applications, CFT joists deliver the performance and reliability required for demanding environments while providing design flexibility and cost-effective construction solutions.
Commercial Advantages
- High load capacity for heavy commercial uses
- Extended spans reduce structural steel requirements
- Fast installation accelerates construction schedules
- Excellent vibration control for sensitive applications
- Compatible with MEP systems and services
- Meets stringent code requirements
Commercial Applications
- Office buildings and commercial spaces
- Retail and shopping center construction
- Educational facility classrooms
- Healthcare and medical facilities
- Light industrial and warehouse mezzanines
- Hotel and hospitality projects
Installation & Design Support
CFT provides comprehensive technical support to ensure optimal performance of our joist systems, from initial design through construction completion.
Installation Features
- Pre-punched web openings for utilities
- Standard connection hardware available
- Compatible with rim board and blocking systems
- Field-cutting capabilities for custom fits
- Detailed installation instructions provided
- Technical support throughout construction
Design Services
- Custom span and load analysis
- Vibration analysis and recommendations
- Connection design and detailing
- MEP coordination and layout assistance
- Code compliance verification
- Construction document preparation
Quality Assurance
- Factory quality control testing
- Third-party testing and certification
- Dimensional tolerance verification
- Material traceability and documentation
- Performance monitoring and feedback
Engineered Floor Solutions
Contact our engineering team for custom joist design, span optimization, and technical support for your next project.