China C/Z/U Purlins - Factory Direct Suppliers for Roof & Wall Framing Solutions
Types of Purlins & Their Advantages
C Purlins (C-Sections)
- Feature a C-shaped cross-section with equal flanges
- Ideal for secondary framing in roofs and walls
- Easy to install and compatible with bolted connections
- Commonly used in light to medium-duty structures
Z Purlins (Z-Sections)
- Designed with a Z-shaped profile for enhanced overlapping capability
- Provide superior load distribution in long-span roofing systems
- Allow for efficient nesting during transport and storage
- Preferred for large industrial and agricultural buildings
U Purlins (U-Channels)
- U-shaped design offers excellent versatility
- Frequently used as edge trim or secondary supports
- Suitable for both vertical and horizontal applications
- Provide clean, finished edges in wall and roof systems
Key Benefits of Steel Purlins
| High Strength-to-Weight Ratio | Supports heavy loads while reducing structural weight |
| Corrosion Resistance | Often galvanized for long-term durability |
| Cost-Effective | Lower material and installation costs compared to hot-rolled sections |
| Design Flexibility | Compatible with various cladding materials (metal sheets, sandwich panels) |
| Quick Installation | Pre-punched holes simplify assembly |
Common Applications
- Warehouse and factory roofing systems
- Agricultural buildings (barns, storage facilities)
- Commercial complex frameworks
- Mezzanine floors and secondary support structures
Technical Specifications
| Materials | Typically galvanized steel (G550, G300) |
| Thickness | 1.2mm to 3.0mm |
| Standard lengths | Up to 12 meters (custom lengths available) |
| Load capacities | Designed per project requirements |
Why Choose C, Z, and U Purlins?
These purlins offer an optimal balance of strength, efficiency, and adaptability for modern construction. Whether you need the simplicity of C purlins, the spanning capability of Z purlins, or the versatility of U channels, these components ensure reliable performance while reducing overall project costs.
Company Advantages
Honglu Group, mainly focuses on the manufacturing of high-quality steel structure and the R&D of prefabricated technology.
Steel structure manufacturer
Honglu, a steel structure top manufacturer with daily capacity 15,000+Tons, Effectively Shorten Construction Period And Saving Construction Costs For You.
efficient production
10 Production Sites, 400+ Production Lines, Annual Production Capacity Of Steel Structure 5,000,000+ Tons, Slabs 30,000,000㎡.
High quality service
Experiencing 21 Years, Serving 100,000+ Customers,Take The Lead In Passing ISO9001, ISO14001, OHSAS18001,Certification of European& American Standards.
Rich product chain
Rich Product Chains, One-Stop Service For Steel Structure Projects.
Frequently Asked Questions
Before cooperation, you may have the following questions.