Granny Flat Ready to Move in Prefabricated Tiny 20FT 40FT Expandable Container House Prefab out Home Bathroom Construction Real Estate

• Customization: Available
• After-sales Service: Online Technical Support
• Application: Residential Hostel
• Model NO.: Expandable House
• Fast Installation: Fast Installation
• Feature: Earthquake Resistant, Easily Movable, Eco-Friendliness, Flexibly Combinable, Leak Proof, Moisture Proof, Safe, Thermal Insulation, Waterproof, Wind Resistance
• Material: Steel Structure
• Life Span: 50-60 Years
• Certification: CE/ISO45001/ISO9001/ISO14001/RoHS
• Function: Soundproof/Waterproof/Insulated/Anti-Seismic
• Product Name: Prefab Luxury Villa Expandable Container House
• Color: Customized Color
• Indoor Standard: Comply with Local Standards
• Electricity: Local Standard
• Characteristic: Safe Installed
• Transport and Load: 40hq Container
• MOQ: 1 Set
• Style: Modern
• Transport Package: Container
• Specification: Size: 20Ft 30Ft 40Ft
• Trademark: HESHI
• Origin: China
• HS Code: 9406900090
• Production Capacity: 500set/Month
• Package Size: 1.00cm * 1.00cm * 1.00cm
• Package Gross Weight: 1.000kg

Product Description

Specification

Product Name	Fast Build Foldable Prefab Villa Waterproof Expandable Container House Insulated Prefabricated Folding Mobile Portable Home
20FT Size	Open Size:5900*6540*2530mm.Total Area 39(m2)
40FT Size	Open Size:11800*6540*2530mm.Total Area 77(m2)
Main Material	Galvanized frame, fully welded construction, powder-coated surface
Weight	20FT≈3.5 tons/40FT≈7 tons
Roof	75mm Fireproof Flame Retardant Eps Insulation Sandwich Panel
Suspended Ceiling	Bamboo and wood fiber integrated wall panels
Side And Front Rear Wall Panels	75mm Fireproof Flame Retardant Eps Insulation Sandwich Panel
The Internal Partition	50mm Fireproof Flame Retardant Eps Insulation Sandwich Panel
Floor	2mm Pvc Floor Leather+18mm Glass Magnesium Board
Door	Thermal Break Aluminum Double Doors/Bedroom Wood Door or Metal Door
Window	Double-layer tempered glass + broken bridge aluminum casement window
Circuit	Comply with local certifications such as SAA and CE in the destination country
Payment	30% Advance Payment Before Shipment. 70% After Delivery

Product Display

Flat-base expandable container houses prioritize stability, adaptability.

1.Structural Stability & Adaptability

Even Load Distribution: The flat base offers a larger contact area, dispersing pressure effectively. It adapts to diverse terrains (sand, grass, mud) without complex foundations.Wind & Earthquake Resistance: Low center of gravity and steel structure enhance safety, ideal for disaster-prone areas. 

2.Flexible Modular Expansion 
Horizontal/Vertical Connection: Standardized flat-base interfaces enable rapid assembly with other containers, creating multi-story or large-scale spaces (e.g., residences, offices, warehouses). Multi-Scenario Use: Operate as standalone units or combined communities for temporary housing, commercial projects, or emergencies.
3.Cost & Efficiency Advantages
Easy Transportation: Flat-base structure fits standard container transport (trucks, ships), reducing logistics costs. Rapid Deployment: Factory prefabrication cuts on-site construction time by over 50% and minimizes labor costs. 
4.Space Optimization
Smooth Layout: Flat interior surfaces support customized furniture and equipment placement, maximizing space utility.Vertical Potential: Stacking or adding stairs enables multi-level designs (e.g., LOFT layouts).

5.Durability & Low Maintenance
Corrosion Resistance: Galvanized/coated steel withstands humidity, heat, and harsh environments, with a lifespan exceeding 50 years. Easy Maintenance: Flat surfaces simplify cleaning and repairs, ensuring long-term cost control.

Interior layout rendering customizable

House Furniture Living Effects Pictures

All visible parts of the house can be customized,including doors, windows, interior and exterior walls, roof, interior layout,etc. Color,material, version, thickness, etc. can be customized according to customer needs.

Product Description

Our advantages

The quality of our factory and other factories is completely different. Taking the framework as an example, we use the latest design and the best materials, and the main frame of the craft house is the most important component. The materials and craftsmanship quality determine the service life and stability of the house. During the sales process, our customers reported that the repeatedly used cranes to transport the house, which may damage the frame, so we upgraded all 8 hanging heads of the house to cast iron, so that the frame will not be damaged even if it is moved multiple times. The bottom frame of the house determines whether the house is stable, and we upgraded the density of the bottom of the frame. Our frame spacing is 32 cm. Compared with other factories, they are 45 cm. Our frame is more stable and will not shake when walking around the house. We have upgraded the design of the bottom frame flush, with the height of the frame on both sides and the middle, but the sides of other factories need to be padded with brick or wood to be level with the middle. But this will have several great impacts

1.There is no contact with the ground on both sides of the house, causing the house to shake very seriously
2. Due to the use of mats, it is impossible to make the side and middle part of the house completely horizontal, which affects the drainage of the bathroom. We have encountered situations where the drainage cannot be discharged by purchasing other factory houses. Our folding part connectors have a hidden design, which has many benefits The gaps on the floor are very small, which is not only more beautiful, but also improves thermal insulation. Hidden hinges are less likely to be damaged and will not wear The frames are all galvanized and then sprayed with plastic treatment, including the link part of the wall panel.Doing so will give the frame a good anti-rust effect and a longer service life. The thickness of the main frame is 2.5-3mm, making it more durable

Company Profile

About this supplier

HESHI is a leading provider of prefabricated modular building solutions, dedicated to delivering high-performance, customizable, and full-lifecycle mobile houses for global individual users, distributors, and builders. We deeply understand the core challenges across customer segments and have built an integrated value system around Product Excellence + Delivery Assurance + Service Support, striving to be a trusted construction partner.

Core Strengths

Our products feature integrated design for wind resistance, thermal insulation, fire safety, and waterproofing. Certified materials and robust structures ensure a service life of up to 50 years. We offer extensive customization and rapid drawing support, including 3D renderings, construction plans, and compliance-certified documentation. With in-house manufacturing and global logistics partnerships, we guarantee timely delivery and door-to-door shipping with customs support. A 3-year warranty, remote guidance, and on-site service ensure peace of mind throughout the product lifecycle.

Deep Customization & Design Support:

 We offer personalized customization from aesthetics to functionality, supporting pre-installed electrical/plumbing systems, smart home integration, and more. Our professional design team can quickly provide 3D renderings, construction drawings, utility layouts, and certified drawings that meet local approval requirements.

Tailored Solutions

Individual Users: End-to-end service covering customization, design, shipping, customs, and installation support. Distributors: Competitive product portfolios, exclusive policies, sales training, and marketing materials to boost local market growth. Builders & Contractors: Turnkey project solutions, phased production and delivery, and on-site support for seamless project execution. With over 10,000 units delivered worldwide, HESHI represents not just a product, but sustainable building value and a worry-free experience.

Heshi (Hebei) Integrated Housing Co., Ltd.

Heshi (Hebei) Integrated Housing Co., Ltd. Mainly deals in the export of container houses and steel structures, focusing on building builders , design institutes, developers, building materials dealers, and residents to provide integrated residential solutions.
Founded in 2003, it has 20 years of experience in steel structure production and research and development. There are 18 steel structure and color steel plate production lines, 180 sets of folding houses per day, and 200 tons of steel structures.

Customer Photos

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