20FT/40FT Movable Prefabricated Flatpack Modular Office Expandable Container House with Toilet
Our 20FT/40FT flatpack modular expandable container house provides a robust, all-weather solution for mobile offices, temporary workspaces, and self-contained living units with integrated toilet facilities. Built on a durable Q345B steel chassis, it features a 70mm PU foaming integrated roof with pre-installed electrical systems, ensuring rapid deployment and functional readiness.
The wall system offers versatile insulation options (50-100mm EPS, rock wool, or PU sandwich panels), while the chassis supports >2.5KN/m² loading capacity, making it suitable for heavy-duty office use. Engineered to withstand extreme conditions, it operates reliably from -40°C to 40°C, resists winds up to 210km/h, and meets Grade 8 seismic standards, ensuring safety in diverse global environments.
With customizable drainage and electrical systems, plus options for steel, fire-proof, or sandwich panel doors and insulated windows, this container house delivers a turnkey, relocatable office solution. Ideal for construction sites, remote work hubs, and emergency response facilities, it combines durability, flexibility, and compliance for global project needs.
Standard Specifications & Accessories
| Component |
Specifications |
| Roof System |
Q345B steel structure + double-sided 0.45mm steel sheets + 70mm PU foaming integrated formed roof; pre-installed electrical tubes, wiring, outdoor connection socket, and distribution box |
| Chassis System |
Steel structure chassis + 18mm cement-fiber board + 2mm PVC floor sheet (glass wool insulation optional); Permitted loading: >2.5KN/m² |
| Wall System |
50/75/100mm EPS, rock wool, glass fiber, or PU sandwich panel |
| Door System |
Steel door / Fire-proof door / Sandwich panel door |
| Window System |
Aluminum alloy shutter window or plastic-steel window (single/double glass options) |
| Floor System |
PVC, plywood, or fully customized flooring |
Optional Configurations
- Drainage System: Customized plan, design, and construction provided
- Electrical System: Customized plan, design, and construction provided
Technical Performance Parameters
Temperature Resistance: -40°C to 40°C
Wind Resistance: 210 km/h
Earthquake Resistance: Grade 8
Product Images
