The Class 3 Heatproof 20ft Container House from Ante House is a verified China manufacturer product with full production chain control. This factory-direct supplier delivers A1 fireproof, 30-year steel frame, and 1-hour assembly by 4 workers. Backed by 20+ patents, 150+ global projects, and 2 integrated plants, Ante House ensures reliable quality for cold regions and diverse applications.
Precise measurements and material breakdown for the unit. The Class 3 Heatproof 20ft Container House is fabricated with cold galvanized steel. All data reflect factory production standards.
| Parameter | Value |
| Outside Size (L*W*H) | 5810mm * 2330mm * 2540mm |
| Inside Size (L*W*H) | 5650mm * 2170mm * 2160mm |
| Packing Size (L*W*H) | 5810mm * 2350mm * 73mm |
| Top & Bottom Frame | 3.0mm cold galvanized steel plate |
| Column | 210mm*150mm, 3.0mm thickness, includes 4 downspouts; connect parts 8.0mm |
| Steel Door | 950mm*1970mm (customizable) |
| PVC Double Glass Window | 1150mm*1150mm, 5+9+5mm layered glass (customizable) |
| Sandwich Panel Wall | 50mm / 75mm / 100mm glass wool panel |
| Floor Assembly | 18mm cement board + 2.0mm leather (tile or wood floor optional) |
| Frame Steel Thickness Options | 2.2mm, 2.5mm, 3.0mm, 4.0mm |
Default color: white. Custom RAL colors available. Shipping: 6 units per 20GP, 12 units per 40HQ. All batches follow identical specifications.
The Class 3 Heatproof 20ft Container House is verified for heat insulation level 3. Additional certified metrics listed below.
| Attribute | Certified Rating |
| Heat Insulation | Class 3 heatproof (verified) |
| Fire Resistance | A1 class fireproof |
| Wind Resistance | Class 8 windproof |
| Earthquake Resistance | Up to Richter magnitude 8 |
| Structural Service Life | 30 years (steel frame under normal climate) |
Adaptation methods: For cold regions — increase wall thickness or use upgraded insulation material, improve pressure resistance. For high-corrosion zones — apply anti-corrosive coating or use corrosion-resistant material. The unit supports multiple recycling and reuse cycles.
Fast deployment with pre-designed connections reduces field labor.
| Item | Detail |
| Labor required per unit | 4 workers |
| Erection time | 1 hour |
| Installation support | Detailed instruction drawings + videos; for large projects, on-site workers and supervisors can be dispatched (fee negotiable) |
| Warranty period | 2 years (covers production-caused defects) |
Optional add-ons: power supply, water supply, drainage system, distribution box, sockets, lamps, wash basin, toilet, washroom cabinet, shower.
Full-cycle technical assistance from initial layout to post-delivery. No charge for preliminary design work.
Included services:
- Free CAD or 3D design based on submitted requirements
- Full-cycle technical consultancy and after-sales support
- Onsite inspection, online troubleshooting, onsite training, complimentary spare parts, return/replacement within warranty
- 2-year warranty applicable to all delivered projects
- Assembly team can be sent to any destination (additional cost negotiable)
Application fields: apartment, family house, villa, storage, hotel, office building, school, student or labor dormitory, camping, refugee house, hospital.
Steel frame maintains integrity for 30 years under standard weather conditions. Site-specific adjustments available:
- Cold regions: Increase wall thickness or specify higher-grade insulation material; enhance load-bearing margins.
- High-corrosion environments: Use corrosion-resistant material or apply anti-corrosive coating.
- Strong wind zones: Improve internal structure wind resistance.
- Base configuration: Class 3 heatproof, A1 fireproof, Class 8 windproof, seismic rating to Richter 8.
All customizations maintain factory quality standards. The Class 3 Heatproof 20ft Container House is engineered for multiple reuse cycles without performance loss.
Selection rationale based on auditable production scale, engineering depth, and global delivery record. The Class 3 Heatproof 20ft Container House is supported by the following:
1.Two factories, 20,000+ m², with 6 press machines, 6 welding lines, 2 paint booths, 1 panel line — full control from steel coil to finished unit.
2.Six engineers with 10+ years experience, 20+ patents. Free CAD and 3D design upon request.
3.Three quality checks: design review, certified raw materials, in-process inspections with documented records.
4.Two-year warranty on production defects. After-sales: site inspection, online support, on-site training, free spare parts, return/replacement.
5.Overseas assembly team available (fee negotiable). Illustrated guides and videos for every project.
6.150+ projects delivered to 80+ countries: Canada, Russia, Iraq, UK, Southeast Asia, Middle East, Africa, South America.
7.Free initial design plus full-cycle engineering support. Product line updated for residential, commercial, institutional, humanitarian, medical use.
8.Factory-direct pricing — no middlemen, full quality maintained.