Product Overview
Our prefab expandable house is a fold-out modular building, factory prefabricated and shipped as a compact unit. It unfolds quickly on site without heavy construction equipment, and the folded footprint cuts shipping cost dramatically.
Built with a robust steel frame and sandwich panel walls, this expandable container home delivers strong heat insulation, waterproofing and sound insulation — a 25–30 year service life with minimal maintenance.
Key Features
- Fast deployment — simple unfolding installation saves construction time and labor cost
- Flexible sizes — small / 20ft / 40ft models for different space requirements
- Strong & durable — galvanized steel main frame, service life up to 25–30 years
- Customizable panels — 50 / 70 / 100 / 125 mm sandwich panel options for any climate
- Easy transport — folded flat for container shipment — big freight savings
Application Scenarios: Who Is This Expandable Container House For?
The prefab expandable house fits buyers who need usable space fast, at low cost:
- Construction site office & dormitory — site accommodation that ships compact and opens in hours
- Camping & vacation shelter — low-cost cabins for campsites and outdoor resorts
- Temporary & emergency housing — quarantine rooms, relief shelters and temporary residences
- Portable café & small shop — fold-out retail space for events and roadside business
Configuration Options
- Wall panels — 50 / 70 / 100 / 125 mm sandwich panels by insulation requirement
- Doors — stainless-steel security door / aluminium-alloy door / plastic-steel door
- Windows — aluminium-alloy or plastic-steel windows
- Layout — bedroom, office, bathroom and kitchen partitions per plan
- Electrical & plumbing — pre-installed wiring, lights and sanitary fittings
- OEM service — layout, color, wiring and interior decoration adjusted to your project
Product Specifications
| Small size | 5.9 × 4.95 × 2.5 m |
| 20ft size | 5.9 × 6.47 × 2.5 m |
| 40ft size | 11.8 × 6.47 × 2.53 m |
| Main structure | steel frame & sandwich panels |
| Wall panel | 50 / 70 / 100 / 125 mm sandwich panels |
| Door & window | security door options + aluminium/plastic-steel windows |
| Service life | 25–30 years |
Certifications & Quality Standards
Ruhai Material is a direct manufacturer of prefab buildings and metal materials, serving customers in 120+ countries since 2010. Our production and quality control system is certified to international standards:
- ISO 9001 — certified quality management system covering the full production process
- CE — compliant products available for the European market
- SGS — third-party inspection and factory audit available before shipment
Frequently Asked Questions
How long does it take to install after delivery?
The house unfolds and is ready within several hours with a small crew — no concrete pouring or complex construction work required.
Can I choose different wall thickness?
Yes. Sandwich panels are available in 50 mm, 70 mm, 100 mm and 125 mm to match your climate and insulation requirements.
What is the service life of the expandable house?
The galvanized steel frame provides a service life of 25–30 years under normal maintenance.
Can doors, windows, color and layout be customized?
Yes. OEM customization covers layout, door and window types, exterior color and the internal electrical system.
How is it shipped?
It is folded flat for sea container shipment, saving shipping space and freight cost to major ports worldwide.
Request a Quote
Send us your project requirements — size, layout, destination port and quantity — and our team replies with a quotation within one working day. MOQ is 1 set for all standard models.
Prefer email? Write to manager@ruhaimaterial.com directly.
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