Large Span Fireproof Prefabricated House Steel Structure Workshop/Warehouse
Company Introduction
Quanzhou Ridge Steel Structure Co., Ltd was founded in Fujian china, and is a professional manufacturer of steel structures with 20 years of exporting experience, finished 1820 projects, totaling 7,600,000 square meters. We have 2 modern factories with a total area of 21,000 m², 20,000 tons annual produced capacity.
Our products are extensively used in warehouses, workshops, commercial buildings, industrial buildings, agricultural buildings, and offices. We are dedicated to crafting the most valuable and tailored architectural steel structure solutions.
For years, we have successfully served many corporations globally, and have provided clients with innovative products and high-quality service. We have completed many projects for customers worldwide.
Products and Services:
Design and Engineering services, Structural steel buildings, Space frames, steel pipe structures, truss frames,basic building components (composite welded H-beams, hot rolled H-beams, channels, steel columns, steel beams), standard frames, secondary frames, roof and wall materials, sandwich panels
Drawing and quotation:
1) Custom design is welcome.
2) As long as you like, we can design and provide drawings for you.
In order to give you an accurate quotation and drawing, please inform us of the length, width, eaves height and local weather conditions of the products. We will give you the quotation in time.
Market:
Products have been exported to Indonesia, Thailand, the Philippines, Tanzania, the United States, Canada, Australia, Germany, Australia and other 50 countries and regions.
Project Case: 18×36m Open-Front Steel Shed in Spain
Project Overview:
This project involved the design, fabrication, and supply of a customized open-front steel shed (Dimensions: 18m width × 36m depth × 4m height) for a client in Spain. The structure features three-sided cladding (with one 36m side fully open) and a complete roofing system, ideal for industrial storage, logistics, or workshop use.
Why This Solution Worked
Customization: The open-front design met the client’s need for unrestricted access and airflow.
Durability: SA 2.5 shotblasting + dual-layer painting and galvanized purlins ensure longevity in harsh conditions.
Cost-Efficiency: Pre-fabricated components reduced on-site labor time and costs.
Full Package: All accessories (drainage, fasteners, sealants) were included for seamless installation.
Value Delivered
Quick Deployment: Pre-engineered components enabled fast assembly.
Low Maintenance: Robust materials minimize future upkeep.
Compliance: Materials and processes align with European industrial standards.
Interested in a similar solution? We provide end-to-end steel structure packages tailored to your needs.
| Category | Specifications | Purpose/Advantage |
| Main Structure | Q355B H-Beams (fabricated, cut, assembled, rectified) | High-strength frame for structural integrity and load-bearing capacity. |
| Surface Treatment | Shotblasted to SA 2.5 grade; primer: red-lead paint, topcoat: mild-grey paint | Superior corrosion resistance, suitable for industrial environments. |
| Cladding | Roof & Wall: 0.5mm single metal sheets; Galvanized C180×2.0mm purlins | Lightweight yet durable; galvanized purlins prevent rust and extend lifespan. |
| Design | Open-front (36m side) + three-sided walls | Optimal accessibility for vehicles/machinery and natural ventilation. |
| Fasteners | M20 (10.9S) high-strength bolts; M24×850mm anchor bolts; M12/M16 bolts | Secure connections; anchor bolts provide stability against wind/uplift forces. |
| Accessories | Φ12 tied rods, ridge caps, gutters, Φ110 downpipes, screws, rivets, silicone | Complete weatherproofing and drainage solution; ensures structural rigidity. |
Installation Process Explained
Our steel structure building installation follows a standardized and efficient 12-step process:
1-2 Foundation
Prepare the concrete base according to the structural load requirements and install the pre-embedded anchor bolts as per the foundation construction drawings.
3-4 Columns
Erect the steel columns using a truck crane, with one worker guiding and 3-4 workers assisting. Secure each column onto the anchor bolts and add temporary bracing.
5 Roof Beams
After two adjacent steel columns are installed, begin installing the main roof beams to connect and stabilize the structure.
6-7 Purlins
Install roof and wall purlins after completing the column and beam installation. Bolt them securely onto the main structure to support cladding panels.
8 Purlin Rods
Reinforce the frame by installing horizontal tie rods between purlins for added stability.
9 Water Gutter
Install the gutter system along the eaves to ensure proper drainage and prevent water accumulation.
10-11 Cladding
Attach wall sheets to wall purlins with self-tapping screws, then install roof sheets. For insulated buildings, fix sandwich panels to both walls and roof.
12 Completion
Install covers at corners, eaves, windows, and doors; fit windows and doors in place; conduct a final inspection - your steel building is ready for use.
Warehouse Facilities
High-strength steel frames with computer-aided precision fabrication ensure superior load-bearing capacity.
Insulated steel panels maintain stable interior temperatures and protect goods from external climate variations.
Waterproof roof membranes prevent leakage during heavy rainfall.
Wide roller shutter doors enable seamless forklift movement.
Engineered foundations provide even weight distribution adaptable to various soil conditions.
Optional fire-resistant coatings and flexible layouts enhance safety and operational efficiency.
Aircraft Hangars
Advanced welding techniques create robust frames capable of withstanding strong winds and supporting heavy aircraft
Extra-large insulated doors operate smoothly via manual or automated systems for effortless aircraft access
Anti-corrosion roof coatings ensure durability in harsh weather environments
High-load-bearing reinforced concrete floors with integrated drainage channels maintain dry conditions
Ideal for small to medium private airports requiring reliable aircraft storage and maintenance facilities
Multi-Story Buildings
Computer-controlled fabrication of high-grade alloy steel enables taller structures with adaptable designs
Energy-efficient insulated panels significantly reduce heating/cooling costs while maintaining year-round comfort
Composite floor slabs deliver outstanding sound insulation between levels
Modern engineering approaches allow versatile architectural configurations without compromising structural integrity
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Large Span Fireproof Prefabricated House Steel Structure Workshop/Warehouse Images
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