20ft prefab steel expandable container house
Product Description
The 20ft Prefab Steel Expandable Storage Container House is engineered for modular living, storage, and commercial use, offering a foldable design with integrated mobility through optional wheels. Constructed from galvanized steel frames and sandwich panel walls, the unit provides exceptional load-bearing strength, insulation, and weather resistance.
This model includes a fully protected roof and wall system, anti-corrosion surface treatment, and an adaptable door system (swing or roller door). Reinforced with ISO-standard roofing, galvanized framework, and optional flooring systems, it is designed for durability in both residential and industrial deployments.
Technical Specifications
| Category | Details |
|---|---|
| Product Type | Prefab Expandable/Folding Container House |
| Size (Base) | 20ft footprint |
| Design Style | Modern |
| Frame Material | Galvanized steel square tubes |
| Main Frame Thickness | 3.0 mm bottom main steel, 2.0 mm beams, 1.5 mm wall frames, 1.2 mm sub frames |
| Bottom Beam & Purlin | 50 × 100 mm galvanized square tubes, horizontally aligned for load-bearing strength |
| Flooring (Optional) | 18 mm strengthened double-surface plywood OR 1.5 mm galvanized diamond-pattern steel plate |
| Forklift Slots | 250 mm W × 60 mm H, center spacing 970 mm or 1220 mm, thickness 3.5 mm |
| Mule Ports (Optional) | Galvanized square tubes, powder-coated or painted |
| Track Rings / Hooks | D-rings at front & rear |
| Bottom Rubber Pads | Fitted to frame for stability and protection |
| Roof Panel | 1.2 mm ISO container plate, fully welded 360°, 2 reinforcing ribs |
| Roof Frame | 5 mm steel plate |
| Roof Rings | Galvanized with rubber pads |
| Wall Panels (Optional) | 0.8 mm or 1.0 mm flat powder-coated galvanized sheets |
| Partition Walls | 0.8 mm corrugated galvanized sheets |
| Corner Guard Plates | Powder-coated iron plates |
| Air Vents | 1–2 waterproof vents with rain cover and insect net |
| Doors (Optional) | Swing doors or roller doors |
| Door Openings | Double: 1727 × 1828 mm, Single: 950 × 1828 mm |
| Door Seal System | Inlaid rubber strip for wind, water, and insect protection |
| Locks | Buried lock body, 2 padlock holes + emergency cable |
| Hinges & Wind Hops | Galvanized or stainless steel (304) |
| Surface Treatment | Galvanized, painted, or custom |
| Certification | ISO 9001 / CE |
| Warranty | 3 Years |
| Packaging Size | 20 × 20 × 5 cm (folded) |
| Gross Weight (Unit) | 2,000 kg |
Key Features
- Galvanized Structural Frame – Heavy-duty square tubes provide long-lasting load-bearing strength.
- Expandable & Portable – Folding design with optional wheels for easier relocation.
- Roof & Wall Protection – ISO-standard roof panels with reinforcing ribs; galvanized wall sheets with optional flat or corrugated profiles.
- Secure Door System – Choice of swing or roller doors with sealed rubber strips, padlocks, and emergency cable access.
- Flexible Flooring Options – Choose between strengthened plywood or galvanized steel floor plates.
- Breathable & Weatherproof – Waterproof air vents with insect protection; fully welded roof seals.
- Certified Quality – ISO 9001 and CE certified for structural safety and performance.
- Ease of Installation – Provided with drawings, videos, or engineer guidance.
Applications & Use Cases
- Warehousing & Storage – Expandable solution for temporary or long-term inventory.
- Commercial Shops – Portable retail or pop-up shops with secure access.
- Residential Projects – Adaptable as compact housing units or workshops.
- Industrial Sites – Mobile containerized offices and storage with forklift-ready access.
- Event & Exhibition Use – Quick setup for trade shows or temporary workstations.
Summary of Advantages
The 20ft Prefab Steel Expandable Storage Container House with Wheels combines galvanized steel durability, sandwich panel insulation, and a modular folding design. With options for secure doors, flooring, and surface treatments, it is engineered for multi-purpose use across storage, retail, housing, and industrial projects while maintaining quick installation and long service life.









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