20m X 20m Prefab House Steel Structure Workshop Kits Prefabricated Metal Storage Warehouse Building

Product Description

Product Description

Single-span gabled steel warehouse with spread footings. Dimensions: 20m×20m×20m(eave)

.Features one 3m×3m roll-up doors. 100mm shale brick walls + 0.5mm profiled steel cladding. 0.5mm concealed-fastened steel roof with translucent panels, free drainage design. Total area:400 sqm

 (20×20).

Product Parameters

Category	Description
Structural System	Single-span gabled steel frame structure
Foundation Type	Spread footing under columns
Dimensions	20m (L) × 20m (W) × 3.5m (H)
Length/Spans	Length: 20m, divided into 3spans
Height	Eave height: 4.5m
Bay Width	20m
Roll-up Doors	3m (W) × 3m (H) ×1 units
Floor Area	400sqm
Wall Material	100mm thick solid shale brick wall + 0.5mm thick profiled steel sheet
Roof Material	0.5mm thick concealed-fasten profiled steel sheet (outer) + translucent panels
Drainage Method	Free drainage (unorganized)

20m X 20m Prefab House Steel Structure Workshop Kits Prefabricated Metal Storage Warehouse Building

Welcome to Customize

To prepare an accurate design proposal and quotation, please provide the following information:

 
1. Project Location
    Where will the project be built? Country and destination port.

2. Building Dimensions
    Length × Width × Eave Height, and roof slope (if applicable).

3. Design Loads
    - Wind Load (Maximum wind speed)
    - Snow Load (Maximum snow load or snow height)

    - Seismic Intensity (if applicable)

4. Surface Treatment
    Painted or Hot-dip Galvanized

5. Insulation Requirements
    - If required: EPS / Fiberglass Wool / Rock Wool / PU / PIR Sandwich Panels are available
    - Common panel thicknesses: 50 / 75 / 100 / 150 mm
    - If not required: Single steel sheet cladding is also available.

6. Openings
    Quantity, dimensions, and positions of doors and windows

7. Additional Requirements
    Any other specific requirements or preferences

Company Profile

Yuanfang Steel Structure is a steel fabrication company focused on industrial and commercial building projects.

Established in 2002, the company supports contractors, developers, and project owners with fabrication, coordination, and delivery of custom steel structures.

We fabricate custom steel structures for warehouses, workshops, logistics facilities, and other industrial buildings.

Projects are produced according to structural drawings, loading requirements, fabrication standards, and site conditions specified for each project.

As our international business continues to grow, Yuanfang Steel Structure has established long-term partnerships with clients across Europe, North America, Southeast Asia, and the Middle East. We work closely with contractors, developers, engineers, and fabricators to deliver reliable structural steel solutions tailored to local standards and project requirements.

Our focus is on providing consistent product quality, responsive communication, and dependable project support, helping customers complete their projects efficiently and successfully.

Certifications

Factory Production Control

Welding Certificate

ISO 9001:2015

ISO 14001:2015

ISO 45001:2018

Quality Management System

Environmental Management System

Occupational Health & Safety

Process Flow

After Sales Service

FAQ (Frequently Asked Questions)

1. Do you provide design service?
Yes. We provide free design based on Chinese standards.
For other standards (e.g., European or American standards), additional design fees may apply.

2. Can the building be customized?
Yes. All steel structures are fully customized according to your requirements, including size, layout, materials, and function.

 
3. What certifications do you have?
We are certified with CE (EN 1090 EXC2), ensuring compliance with European structural steel standards.

 
4. What is the delivery time?
The lead time is 25–45 days, depending on the project size and complexity.

 
5. What are your payment terms?
Standard terms: 30% deposit by T/T within 3 banking days upon contract signing, and 70% balance by T/T before loading.
Other terms can be negotiated based on cooperation.

6. How do you ensure product quality?
Production is carried out strictly according to approved drawings, with quality control at every stage before shipment.

 
7. How do you handle corrosion protection?
We offer different anti-corrosion solutions such as painting and hot-dip galvanizing, depending on the project environment.

 
8. Is installation difficult? Do you provide support?
The structure is designed for easy installation.
We provide erection drawings and remote installation guidance. On-site support is also available if required.

 
9. Can you arrange shipment to our country?
Yes, we can handle export procedures and shipment to your destination port.