Long-span steel space-frame roof engineered for industrial facilities
Lightweight, high strength, corrosion-resistant, and fully customizable
Compatible with all major roofing systems
Fast installation with modular prefabrication
Designed to international structural codes
The Industrial Roof Structure for Factory Applications is a high-performance steel space-frame system engineered to deliver exceptional load-bearing capacity, long-span coverage, and long-term durability for modern industrial facilities. Built with precision-fabricated modular components and optimized for rapid on-site assembly, this system provides a reliable and cost-effective solution for factory roof construction, warehouse roofing, industrial production halls, processing plants, logistics centers, and large-scale workshops that demand both strength and architectural flexibility.
As industries continue to expand and production requirements grow, the need for large, unobstructed spaces becomes more critical. This industrial roof structure is specifically designed to achieve wide spans without interior columns, enabling maximum floor utilization, streamlined workflow layouts, and safer operational environments. The space-frame configuration delivers excellent stiffness-to-weight ratio, uniform load distribution, and higher resistance to wind, snow, and seismic forces compared to conventional trusses or rigid steel frames.
Fabricated from international-standard structural steel (Q235B, Q355B, ASTM, EN grades), each member undergoes controlled cutting, welding, drilling, and assembly to guarantee dimensional accuracy and superior fit-up with node joints. Multiple anti-corrosion solutions—including epoxy zinc-rich primer, hot-dip galvanizing, or powder coating—provide dependable long-term protection, even in high-humidity, coastal, chemical, or high-temperature environments. This enhances service life and significantly reduces maintenance for industrial owners.
The system is fully compatible with a wide selection of roof materials, including metal roofing panels, ETFE cushions, PTFE membranes, polycarbonate sheets, and insulated sandwich panels. This ensures high adaptability to different climatic conditions and project performance objectives, such as thermal insulation, daylighting, or solar panel integration. Optional skylights, light strips, or photovoltaic systems can be incorporated into the design to enhance energy efficiency and reduce operational costs.
Our engineering team supports the entire project life cycle with comprehensive services. In the early stages, we provide feasibility studies, structural concept comparisons, preliminary load analysis, and budgeting support to help clients determine the optimal roof solution for their industrial buildings. During engineering design, advanced 3D modeling and finite element analysis are used to verify performance under wind, snow, seismic, and dynamic loads. We deliver detailed fabrication drawings, assembly diagrams, and installation plans in compliance with Chinese, European, Middle Eastern, and Asian building codes.
In manufacturing, strict quality control procedures ensure that each steel member meets international production standards. Automated cutting and welding improve consistency, while pre-assembly inspections guarantee accurate alignment and fast on-site construction. Every component is labeled and packaged for efficient overseas shipment, supporting smooth logistics and simplified installation.
For construction, our engineering team provides professional installation guidance, including lifting schemes, sequencing plans, safety coordination, and on-site technical support. Installation can be completed using high-altitude assembly, block lifting, or sliding methods, depending on project constraints. Once the roof is assembled, clients may request load testing, bolt-tightness checks, alignment verification, and full as-built documentation for final acceptance.
Our long-term after-sales services include spare parts supply, maintenance recommendations, and life-cycle structural consulting. With an expected design lifespan of 50 years, this industrial roof structure ensures a long-lasting, cost-effective roofing solution that adds value to any factory or industrial facility.
Combining high structural performance, streamlined logistics, global code compliance, and broad customization options, this steel space-frame system is one of the most reliable and efficient choices for any modern factory roof project.
Technical Specification Sheet
| Category | Parameter | Unit | Typical Value / Example | Description |
| Basic Information | Product Model | ton | Steel Tube | Example model (ProX Series) |
| Product Name | – | Space Frame Truss | Spatial steel space-frame |
| Brand | – | Yihong Space Frame | Manufacturer brand |
| Geometric Parameters | Total Length | Customizable | Defined by detailed design | Optimized for transport & erection |
| Single Module Length | Customizable | 1 module | Length of each prefabricated unit |
| Height (Structural Depth) | – | 31.2–40 (rise) | Maximum crown height / truss depth |
| Grid System | – | Tri-circular arch shell / Square pyramid shell | Node & member arrangement pattern |
| Span | m | 96–120 | Customizable covering capability |
| Material Parameters | Material | – | Q235B / Q33B Steel | Standard structural steel grades |
| Section Shape | – | Circular hollow section | For space-frame members |
| Section Size | mm | φ50×2 | Diameter × wall thickness |
| Surface Coating | – | Epoxy zinc-rich primer / Anodizing | Anti-corrosion protection |
| Mechanical Performance | Self-Weight | kg/m | 5.5 | Member weight per unit length |
| Max Load Capacity | kN/m² | 3.5 | Uniform load-bearing capacity |
| Allowable Deflection | mm | L/200 | Standard design limit |
| Wind Resistance | m/s | ≤30 | Maximum design wind speed |
| Connections & Nodes | Node Type | – | Bolt-ball joints | Standard bolted connection |
| Interface Type | – | Conical connector | Universal compatible interface |
| Installation & Logistics | Installation Method | – | High-altitude assembly / Block-by-block / Sliding method | Sliding method preferred for long spans |
| Module Weight | kg/m² | 30–50 | Includes steel frame + roofing |
| Snow Load | Design Basis | – | GB50583-2020, 50-year return value | Local code-based load value |
| Design Standards | Applicable Codes | – | GB50583-2020; JGJ7-2010; 07SG531 | Mandatory structural design standards |
| Coating | Protection System | – | Epoxy zinc-rich primer | Standard steel anti-corrosion treatment |
| Roof Load | – | kN/m² | 0.35 | Typical lightweight roofing load |
| Other Parameters | Design Service Life | years | 50 | Expected structural lifespan |
| Certifications | – | CE / ISO9001 | International compliance |
| Remarks | – | Custom colors available | Customization supported |
