External Dimensions
Length: 11,800 mm → 38 ft 9 in
Width: 6,300 mm → 20 ft 8 in
Height: 2,480 mm → 8 ft 1 in
Internal Dimensions
Length: 11,540 mm → 37 ft 10 in
Width: 6,140 mm → 20 ft 1 in
Height: 2,240 mm → 7 ft 4 in
Folded Dimensions
Length: 11,800 mm → 38 ft 9 in
Width: 2,200 mm → 7 ft 2 in
Height: 2,480 mm → 8 ft 1 in
Engineering Metrices
Anti-earthquake rating: Level 8
Wind resistance: 0.6 kN/m² (up to 120 km/h)
Load Capacity:
Roof (middle): 120 kg/m²
Roof (slope): 100 kg/m²
Floor: 200 kg/m²
Snow load:
Middle top: 1.2 kN/m²
Bevel top: 1.0 kN/m²
Thermal conductivity: 0.05 – excellent insulation efficiency.
Total Weight
Approx. 5,800-6,500 kg → 12,786-14,330 lbs
MOB NORTHFIELD – 40FT Premium Porch Cabin Home
Classic American Style • Full-Length Layout • Warm Wood Finish • Luxury Comfort
MOB NORTHFIELD is a premium 40FT modular home designed for those who appreciate a traditional American cabin look with modern comfort and inviting porch living. Featuring rich wood-tone exterior panels, crisp white framing, and a spacious covered front porch, it delivers a warm residential style ideal for family homes, lake cabins, farm stays, resorts, offices, and Airbnb rentals.
Built with a high-strength steel structure and double-layer insulated glass, MOB NORTHFIELD ensures durability, energy efficiency, and long-lasting comfort. Its full 40FT extended layout offers generous interior living space, making it a perfect blend of rustic charm, strength, and modern practicality.
MOB NORTHFIELD – 40FT Premium Porch Cabin Home
Classic American Style • Full-Length Layout • Warm Wood Finish • Luxury Comfort
MOB NORTHFIELD is a premium 40FT modular home designed for those who appreciate a traditional American cabin look with modern comfort and inviting porch living. Featuring rich wood-tone exterior panels, crisp white framing, and a spacious covered front porch, it delivers a warm residential style ideal for family homes, lake cabins, farm stays, resorts, offices, and Airbnb rentals.
Built with a high-strength steel structure and double-layer insulated glass, MOB NORTHFIELD ensures durability, energy efficiency, and long-lasting comfort. Its full 40FT extended layout offers generous interior living space, making it a perfect blend of rustic charm, strength, and modern practicality.
✨ Key Highlights
- Warm wood-style exterior with premium American cabin appeal
- Spacious covered front porch for relaxing outdoor living
- Strong steel-framed structure for durability and stability
- Full 40FT long-layout interior for larger living space
- Pre-installed electrical, plumbing, flooring & ceiling
- Suitable for living, resort cabins, offices & premium rentals
- Delivered ready for placement and fast setup
🏡 Interior Experience
- Bright natural lighting throughout
- Comfortable residential-style layout
- Smooth premium interior wall finish
- Perfect for family homes, vacation cabins, or Airbnb rentals
- Spacious living area with room for multiple bedrooms
🏗 Premium Exterior Construction
- Galvanized steel structural frame with protective undercoat
- Cast-iron ISO 1161 compliant container pin holders
- Double-side fiber-reinforced plastic exterior (3mm)
Walls:
- Standard: 75mm EPS + double side 0.5mm steel sandwich panel
- Upgrade: 60mm EPS + 15mm outer cladding
Cladding:
- Decorative wood-finish insulated outer panels
- Fully weatherproof, corrosion-resistant, and built for long-term life
🌡 Superior Insulation
- Double vacuum insulated glass windows (5mm + 12mm + 5mm)
- EPS + steel sandwich wall panels
- Glass-wool insulated roofing
- Energy-efficient heat and sound insulation
🏡 Internal Materials & Flooring
- Fiber-cement floorboard with PVC surface covering
Layered flooring system:
- 15mm MgO/BULU structural board
- 2mm PVC vinyl finish
- Optional upgrade: 4mm SPC (Stone Plastic Composite)
Fire-resistant, moisture-resistant, termite-proof
🔌 Electrical System (USA Ready)
High-grade wiring harness
- Pre-installed lights, switches & sockets
- Main wiring panel included
- Compatible with USA 110V electrical systems
🍽️ Kitchen
- Luxury 20mm Quartz engineered stone countertop
- Sleek modular cabinetry with soft-close hinges
- Overhead storage cupboards included
- Double-bowl stainless steel sink with flip mixer
🚪 Doors & Windows
- Certified 3C high-performance windows
- Double-sided vacuum insulated glass: 5mm + 12mm + 5mm
- Thermal & acoustic insulation ensures a quieter, cooler interior
- Aluminum alloy frame with reinforced rubber seals
- Reduced AC electricity consumption due to high insulation quality
🚿 Plumbing System
- All plumbing positioned on the exterior bathroom wall for easy maintenance
Hot & cold pre-plumbed inlets for:
- Kitchen sink
- Bathroom basin
- Toilet
- Shower
- Separate drain pipes for wastewater and greywater
- Pre-plumbed 50mm PVC drainage to a single outlet
- Ready for direct connection to USA plumbing systems
⚠️ Delivery, Unloading & Installation
- Delivery to your location is included
- However, unloading and on-site installation must be arranged by the customer
- A crane, forklift, or similar lifting equipment may be required to safely position the 40FT unit
🛒 Order Your MOB NORTHFIELD
- Choose your layout (1–4 bedrooms)
- Select available finishes
- Contact customer care for any customizations
- Place your order
- Delivery to your location (customer handles unloading & installation)
A complete home — delivered fast and built exactly the way you need.
📞 Custom Layouts & Upgrades
For any custom changes — including layout modifications, extra bedrooms, flooring upgrades, window options, exterior cladding, porch changes, or kitchen/bathroom upgrades — you must contact customer care for approval and pricing.
All customization requests are processed through our support team to ensure correct engineering, safety, and compatibility with the modular structure.


































Preston Callahan –
Very smart concept for maximizing space without increasing transport size. The fold-out platform opened smoothly and locked into place correctly. Flooring finish looks much better than standard prefab vinyl. We connected electrical service the same day and had no problems. Only minor delay was leveling one support corner. The side expansion gave enough room for seating, storage, and a dining setup. Interior appliances fit neatly and the kitchen arrangement is practical. Doors and windows close tightly which helps with cooling in hot climates. Build quality exceeded expectations. Would buy again, Thank You Prefabia For Support, Great Home.
Beckett Langston –
This expandable prefab home impressed us immediately after setup. The wood-look exterior gives it a warm cabin style while the white trim keeps it clean and modern. Interior space feels much larger than expected once fully opened. Electrical meter hookup was straightforward and AC cooled the unit quickly, AC unit runs efficiently. This model stands out from competitors. Excellent option for long-term living. Thank You Prefabia for Delivering Our Dream Home.
Jace Hollowell –
The fold-out side section is what sold us on this model. Once expanded, it feels like a full-size small home instead of a narrow container unit. Flooring on the deck area looks attractive and solid underfoot. Kitchen appliances fit nicely and the layout is efficient. Doors and windows seal well, which helps with heat. Would absolutely recommend for desert land setups.
Sebastian Crowell –
This setup is ideal for living. The porch gives a very comfortable outdoor sitting area.
We use it every evening.
The house stays elevated which protects it from water and insects.
Electrical connections were simple and already planned.
Feels like a permanent home rather than a temporary structure.
Strong Recommendation for Prefabia High Quality & Secured & Supportive Team
Declan Forsythe –
Modern, comfortable, and more spacious than expected. We use it as a private office plus weekend retreat. The porch is ideal for sitting outside and the windows keep the interior bright. Bathroom fixtures and plumbing worked properly from day one. Exterior wood styling gets compliments often. Strong recommendation.
Tristan Calloway –
This unit feels more like a vacation cabin than a prefab home. The front porch, decorative exterior, and wide doors create a premium first impression. We use the side expansion as living room space and it works perfectly. Kitchen cabinets have enough storage for daily life. Electrical panel setup was clean and professional. Very satisfied.
Wyatt Emerson –
Very practical design with real outdoor living space. The front veranda stays shaded during hot afternoons and the side windows bring in good airflow. Delivery arrived on time and placement was smooth with prepared ground. We connected water and sewer lines the same day. Exterior materials clean easily after rain. Great value overall.
Rowan Prescott –
Good quality structure once completed. Delivery truck had limited access to our site so unloading took longer than planned. After placement, setup moved smoothly. Porch railings feel sturdy and safe. Windows provide nice daylight inside. Worth it if access roads are clear.