Multi-Storey Prefabricated Steel Building with Q355 Grade H-Beam Frame and 50-100mm Insulation Panels
Multi-storey prefabricated steel building designed for commercial construction applications including office blocks and shopping malls. Features customizable sizing and professional-grade steel materials.
Hot Rolled H Beam: Single-pass molded construction requiring no weld inspection. Offers reduced processing time and superior local stability within the same section profile.
Weld H Beam: Customizable design and manufacturing capabilities for special project requirements and unique specifications.
- Material: High-grade steel construction
- Insulation: Comprehensive thermal protection included
- Durability: Heavy steel fabrication for long-term performance
- Size: Fully customizable dimensions
- Installation: DIY or professional installation options
- Material: Weld H beam or hot rolled H beam
- Grade: Q355 (S355JR)
- Surface Treatment: Hot dip galvanized zinc coating or anti-rust paint with rich-zinc epoxy
| Purlin & Wall Girt | Corrugated Steel Sheet & Flashing | Sandwich Panel |
|---|---|---|
|
Single Sheet: Color: RAL colors (optional) Thickness: 0.13-0.8mm Type: V840, V900 multiple wave types Usage: Roof/wall coverage and cladding Flashing trimming: Ridge, wall corner protection |
Sandwich Panel/Insulation: Structure: Two-layer PPGI surface sheets with insulation core Types: EPS, rock wool, glass wool, PU/PIR sandwich panels Other insulation: Glass wool blanket or PE foam Applications: Fire resistance and thermal insulation Advantages: Removable, lightweight, easy installation |
Applications: Fire protection and thermal insulation Removable design with lightweight construction |
| Component | Specifications |
|---|---|
| Main Structure | Q355/Q235 H-steel, Box column available |
| Rafter, Beam | Q355/Q235 H-steel |
| Surface Processing | Epoxy zinc-rich primer + epoxy mica intermediate paint (120μm thickness) or Hot dip galvanization |
| Purlin | Q355B, C/Z steel section, galvanization 275g/m² |
| Angle Brace | Q235B, L-steel |
| Cross Bracing | Q235B round bar, L-steel |
| Tie Bar | Q235B, round pipe |
| Batter Brace | Q235B, round bar |
- Roof Panel: Insulated sandwich panel (PU, rock wool, glass fiber, EPS) with 0.4mm/0.5mm/0.6mm steel sheets in 50mm/75mm/100mm thicknesses, or steel plate 0.4mm/0.5mm/0.6mm
- Gutter: Galvanized steel (2.0mm/2.5mm/3.0mm) or painted pre-finished steel (0.4mm/0.5mm/0.6mm)
- Down Spout: PVC pipe
- Steel Flashing: Ridge cap, gable wall end cover, corner cover
- Options: Roof skylight with 1.8mm PVC sheet and stainless steel ventilator
- Wall Panel: Insulated sandwich panel or steel plate with same specifications as roof system, or client-provided brick wall
- Door: Roller door for truck (custom sizes), sliding door for truck, access doors (steel, glass)
- Window: PVC or aluminum frame with fixed, swing, sliding, or louver options
- Crane Options: 5T, 6T, 10T, 16T, 30T capacities
Our technical support team provides comprehensive assistance for steel building projects including:
- Building design and engineering consultation
- Structural requirements analysis
- Professional installation techniques
- Maintenance and repair guidance
Additional services include custom design and engineering, project management, construction installation, and building customization options to meet specific project requirements.
Q: Are you manufacturer or trading company?
A: We are a manufacturing factory located in Qingdao city, with 3 workshops covering steel structure to wall/roof sheet production.
Q: How about your quality control?
A: Certified with ISO & CE standards. Products undergo cutting, bending, welding, shot blasting, ultrasonic testing, and comprehensive quality assurance processes.
Q: Is third party inspection available?
A: SGS, BV, TUV inspections available per client requirements.
Q: How about your delivery time?
A: Typically 30-45 days depending on order quantity, with partial shipment options for large orders.
Q: What about the installation?
A: Detailed installation drawings provided, with supervisor guidance available. Turnkey project services offered for specific projects.
Q: How to ensure the product matches our requirements?
A: Sales and engineering teams provide customized solutions with proposal drawings, shop drawings, 3D models, material photos, and completed project references.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.