

When a customer from South Carolina, USA, wanted to find a fast, economical, and high-quality additional living space for his family, traditional construction methods were ruled out due to their time-consuming and high-cost nature. Eventually, a Portable Foldout House ordered from China perfectly met his needs.【WhatsApp/WeChat/Phone】+86 13837122632
Prefab Expandable House Parameters
| 20FT Basic Characteristics | External dimension (mm) | W6320*L5900*H2480(Side 2270) |
| Internal dimension (mm) | W6160*L5560*H2240(Side 2150) | |
| Folded state (mm) | W2200*L5900*H2480 | |
| Total mass (kg) | 2500 | |
| 30FT Basic Characteristics | External dimension (mm) | W6360*L9000*H2480(Side 2180) |
| Internal dimension (mm) | W6200*L8660*H2240(Side 2060) | |
| Folded state (mm) | W2200*L9000*H2480 | |
| Total mass (kg) | 3750 | |
| 40FT Basic Characteristics | External dimension (mm) | W6240*L11800*H2480(Side2180) |
| Internal dimension (mm) | W6080*L11540*H2200(Side2060) | |
| Folded state (mm) | W2200*L11800*H2480 | |
| Total mass (kg) | 4400 | |
| Smaller Fold Size | External dimension (mm) | W4820*L5900*H2480(Side2270) |
| Internal dimension (mm) | W4660*L5560*H2240(Side2150) | |
| Folded state (mm) | W700*L5900*H2480 | |
| Total mass (kg) | 1850 |
Customized Portable Foldout House
This is not just a standard product, but a prefab expandable house tailored to the customer’s family needs. Key customizations include:
- Exterior & Layout: As requested, more and larger viewing windows were added to let in South Carolina’s abundant sunlight; the internal layout was adjusted to two bedrooms, an open-plan living room with a kitchen, and a complete wet-dry separated bathroom area.
- Interior & Comfort: Warm-toned eco-friendly panels were chosen for interior walls; the insulation layer thickness was upgraded to adapt to the local climate (hot summers and mild winters); a high-efficiency air conditioning and heating system was pre-installed.
- Pre-configured Facilities: All water and electricity lines, sockets, and bathroom pipes were pre-installed at the factory, truly achieving a ready container house and significantly reducing on-site work.


Transoceanic Shipping of the Portable Foldout House
Logistics is crucial for international procurement. The shipping process of this portable foldout house was efficient and clear:
- Factory Packaging: After production and testing at the factory, the house was folded and loaded into a 40ft container, maximizing space utilization.
- Ocean Shipping Journey: After loading, the container was shipped by sea directly to the customer’s designated port—Charleston Port in South Carolina. During this period, we provided full logistics tracking services.
Application of the Portable Foldout House
The customer’s main purpose in purchasing this portable foldout house was to provide an independent, comfortable, and private living space for his visiting grandparents, allowing them to maintain a “bowl of soup’s distance” from the family. Placed in the backyard of the main house, it is both connected and independent, perfectly solving the need for multi-generational cohabitation and avoiding the hassle and high cost of renovating the main house.
Customer Feedback
After the house was installed and occupied, the customer gave very positive feedback:
- “The installation speed is amazing. It only took less than three days from unloading the container to fully expanding and connecting water and electricity.”
- “The customization options are very practical. We got the windows and layout we wanted, and the interior is brighter and more comfortable than expected.”
- “As an expandable prefab house, its quality is very solid, and the sound and thermal insulation effects are excellent. Even on days with large temperature differences, the interior is very pleasant.”

Why More and More People Choose Expandable Prefab House?
- Ultimate Speed & Certainty: Compared with the months-long cycle of traditional extensions, the time from ordering to moving in can be controlled within a few months, and the budget is more manageable.
- Excellent Flexibility: It can be used as a guest room, home office, studio, or vacation home. If relocation is needed in the future, it can be moved—assets are not fixed.
- Mature Supply Chain: The maturity of international logistics and local installation services makes purchasing high-quality ready container house from overseas reliable and convenient.
Contact YG
If you are also in South Carolina or other parts of North America, looking for a fast, high-quality, and flexible living expansion solution for your family, the successful case of this Portable Foldout House may be the inspiration you need. Feel free to contact us at any time to get a customized plan and quote, and create the next warm space for you and your family.【WhatsApp/WeChat/Phone】+86 13837122632






