Explore our flagship OEM 20ft container configurations engineered for rapid deployment, structural durability, and energy efficiency.
Unlocking 400+ sq. ft. of seamless, structural-grade modular living space through advanced longitudinal and lateral structural coupling.
Combining two 20ft ISO standard container modules (yielding a combined footprint of approximately 37.2 m² or 400 sq. ft.) requires high-precision structural integration. Our engineering process utilizes cold-formed high-strength Q355B structural steel frames with reinforced ISO corner castings. By eliminating internal longitudinal load-bearing sidewalls, we implement heavy-duty steel I-beam headers and perimeter collar ties to ensure structural load distribution remains zero-deflection under multi-story or seismic loads.
To eliminate thermal bridging inherent in steel container structures, our OEM 2 20ft container homes employ a continuous exterior or sub-wall envelope featuring high-density Polyisocyanurate (PIR) or hydrophobic Rockwool core sandwich panels (75mm to 120mm options). Integrated self-adhering vapor permeable membranes (Tyvek-equivalent) combined with continuous EPDM mechanical gasket joints at the twin-unit seam guarantee zero water ingress, zero condensation, and superior U-values matching passive house benchmarks.
Unlike single 20ft units which constrain interior floorplans to narrow 8ft corridors, combining two 20ft modules creates an optimal square structural aspect ratio (16ft x 20ft or 8ft x 40ft inline). This permits 2-bedroom/1-bath layouts, expansive open-concept living suites, or dedicated commercial reception setups without compromising acoustic isolation or structural load path alignment.
Demonstrating technical mastery, global delivery scale, and industrial engineering capabilities in prefabricated modular housing.
House Modular Building has rich professional knowledge and experience in the production of container houses and prefabricated houses. The company has a design team to provide solution design for customers' needs, a sales team to follow up and serve customers' order requirements, and the factory guarantees product delivery with quality and production efficiency.
In order to better serve customers and demonstrate the company's production and delivery capabilities, we have established production bases in both the north and south of China to provide efficient delivery capabilities to customers with different national needs. We support OEM and ODM operations in our factory for different countries, and provide distributors with a mutually beneficial partnership.
For a long time, with the evaluation and recognition of customer satisfaction, our company team has comprehensive service capabilities and business technology coverage, starting from the production of raw materials, to the construction and construction of foundations, and then to the construction and operation of service systems.
House Modular is a production oriented enterprise. The company has a large production base, and the factory has a senior professional independent research and development team. The factory currently has more than 200 employees, among which technical personnel such as shell research and development account for more than 30% of the total number of employees; More than 60% of the employees have over 5 years of experience in the shell production industry, and the core members of the team have worked in the building materials service field for more than 10 years. As a supplier of container houses, we must have a strong team to serve customers and solve their demand problems.
Comprehensive engineering details for B2B procurement officers, structural engineers, and commercial developers.
| Structural Subsystem | Material & Fabrication Specs | Engineering Load Rating / Performance Standard |
|---|---|---|
| Primary Steel Skeleton | Q355B / Corten-A Galvanized Steel Structural Profiles (3.0mm–4.0mm main corner posts, 2.5mm floor joists) | Yield strength ≥ 355 MPa; Wind Resistance up to 210 km/h (Category 14 Typhoon equivalent) |
| Thermal Insulation Core | 75mm / 100mm / 120mm High-Density PU (40kg/m³) or Class-A1 Fireproof Rockwool (120kg/m³) | Thermal Conductivity ≤ 0.022 W/m·K (PU); Fire Rating: EN 13501-1 Class A1 / B-s1, d0 |
| Floor Substructure & Decking | Heavy-duty 18mm Fiber Cement Board + 2.0mm Commercial Grade Heterogeneous Vinyl / SPC Flooring | Floor Uniform Load Rating ≥ 3.5 kN/m² (350 kg/m²); Point Load ≥ 2.5 kN |
| Glazing & Fenestration | Thermal-Break Aluminum Frames with Low-E Double/Triple Tempered Glass (5mm+12Ar+5mm) | U-value ≤ 1.4 W/m²K; Acoustic Sound Attenuation ≥ 38 dB (ISO 10140-2 certified) |
| Anti-Corrosion Surface System | Sandblasting to Sa 2.5 + Epoxy Zinc-Rich Primer (60µm) + Polyurethane Topcoat (80µm) | ISO 12944 C4-H to C5-M Maritime Coastal Anti-Corrosion Rating (15-25 Year Lifespan) |
| Structural Stacking Capacity | ISO standard corner locking casting nodes with internal load transfer columns | Stackable up to 3-Stories high without secondary external structural steel scaffolding |
How our North and South China production bases deliver unparalleled cost efficiencies, speed, and logistics scalability.
Located in China’s premier industrial steel manufacturing corridors, our dual factory footprint gains direct access to tier-one steel mills. This vertical integration cuts raw material procurement lead times by up to 40% while insulating global buyers from spot-market price volatility through volume-hedged steel purchasing contracts.
Shipping fully volumetric assembled homes overseas can incur astronomical ocean freight costs. Our engineering team specializes in Z-fold, flat-pack, and collapsible 20ft container solutions. A single 40ft High Cube container can ship up to 4 flat-packed 20ft modular units, reducing international freight costs per square meter by over 65%.
Operating dedicated manufacturing clusters in both Northern China (Bohai Economic Rim ports) and Southern China (Pearl River Delta ports) enables intelligent order routing. Depending on port congestion and target destination (North America, Europe, Australia, or Middle East), we dispatch from the optimal port, saving transit days and customs processing times.
Assuring seamless municipal permitting and structural certification across diverse international regulatory frameworks.
Our OEM 2 20ft container home designs comply with the International Building Code (IBC 2021) and IRC modular housing standards. We provide PE (Professional Engineer) stamped structural calculations, foundation tie-down engineering for high-wind coastal zones (ASCE 7-16), and thermal envelope compliance documentation verifying Title 24 insulation requirements (R-21 wall, R-30 roof minimums).
For European distributors and municipal housing authorities, our manufacturing processes are certified to EN 1090-1 / EN 1090-2 (Execution of Steel Structures - EXC2). Electrical pre-wiring, conduits, and sub-panels are fully CE-marked and compliant with IEC 60364 installation requirements. Thermal performance metrics meet EPBD directives for near-zero energy buildings.
Engineered to withstand harsh oceanic and bushfire conditions, our units comply with AS/NZS 1170 (Structural Design Actions), AS 3600, and AS 1562. Sidewall insulation and cladding options achieve BAL-29 to BAL-40 (Bushfire Attack Level) ratings, while structural anchor points support Cyclone Region C & D load criteria.
Every OEM unit undergoes comprehensive factory testing prior to containerization: 100% full-immersion roof water spray tests (simulating 100mm/hr rainfall for 4 hours), high-voltage dielectric electrical safety tests, dimensional laser scanning, and air-tightness smoke pressurization checks.
Versatile architectural applications leveraging the 2 20ft container module synergy across commercial, residential, and industrial sectors.
Designed for rapid mobilization in harsh desert or arctic conditions. 2x 20ft units joined laterally create 4-person executive dormitories with en-suite bathrooms, full HVAC, and heavy-duty acoustic insulation for resource sector workforces.
With expansive full-height panoramic glass curtain walls, 2 20ft modular homes serve as high-margin luxury vacation cabins. Modern wood-plastic composite cladding covers the exterior steel, creating an upscale eco-lodge aesthetic.
Double-wide container modules provide open floor plans ideal for coffee shops, boutique clothing outlets, or temporary tech demonstration suites. Standard ISO dimensions allow easy repositioning via standard flatbed tilt-tray trucks.
When speed of shelter deployment is critical, collapsible or quick-assembly twin 20ft container homes can be erected on-site in under 45 minutes, offering humanitarian organizations insulated, sanitary housing units.
Pioneering off-grid zero-carbon living through IoT micro-grids, solar building integration, and AI-optimized structural engineering.
Next-generation OEM 2 20ft container homes integrate Building-Applied Photovoltaics (BAPV) with ultra-thin roof solar membranes paired with LiFePO4 battery banks. These units produce surplus power for heating, cooling, and EV charging in off-grid deployments.
By leveraging generative AI algorithms during early BIM modeling, our engineering team optimizes steel cutting patterns and load paths, reducing structural steel scrap waste to under 1.5% while optimizing thermal performance vectors tailored to target installation coordinates.
Factory-integrated IoT environmental controllers monitor humidity, CO2 levels, and thermal loss points in real-time. Automated energy-recovery ventilators (ERV) ensure optimum indoor air quality while minimizing energy consumption by up to 35%.
Expert answers covering structural modifications, logistics, foundations, and OEM custom solutions.
Joining two 20ft shipping containers into a single cohesive structure involves removing targeted longitudinal sidewalls and reinforcing the open spans with heavy-duty structural steel headers (typically structural steel tubing or I-beams). On-site, the units are aligned on a pre-leveled foundation, pulled tight using mechanical pull-winches, and bolted together through pre-engineered ISO corner casting plates and perimeter floor/ceiling flange plates. An EPDM continuous weather gasket combined with structural silicone sealant and an exterior aluminum trim flashing cap seals the exterior seam against water and air infiltration.
Because container structures transfer loads primarily through their bottom corner castings, they do not require expensive full-slab concrete foundations in most soil conditions. Recommended foundations include: (1) Concrete piers positioned at the 4 outer corner points and 2 central seam connection points; (2) Helical steel screw piles for rapid, low-impact installation; or (3) Strip footings under the transverse end walls. The central joining seam must rest on level load-bearing piers to prevent differential settlement and frame twisting.
Our OEM factory options allow custom insulation thickness depending on regional climate zones. Utilizing 100mm Polyisocyanurate (PIR) core panels or closed-cell spray polyurethane foam (SPF) provides continuous thermal breaks yielding R-24 to R-32 for walls and R-38 to R-42 for roofs. Combined with thermal-break aluminum windows with argon-filled low-E glazing, our homes easily comply with northern US/Canadian Arctic specs as well as Middle Eastern desert cooling standards.
Our standard production lead time for customized OEM 2 20ft container homes is 20 to 30 days from architectural drawing sign-off. As a factory-direct manufacturer, our standard MOQ is 2 combined units (equivalent to 1 x 40ft High Cube container load). However, we support sample prototype orders for commercial housing developers and government procurement agencies looking to establish long-term wholesale supply partnerships.
Yes. House Modular Building designs electrical wire chase channels, conduit routes, junction boxes, and PEX plumbing manifolds to match regional code requirements (such as NEC/UL for North America, CE/EN for Europe, and SAA/AS/NZS 3000 for Australasia). We provide third-party engineering calculations, factory assembly inspections, and material test certificates to facilitate smooth local building permit approval.
Custom engineered solution suites for office spaces, commercial receptions, expandable luxury homes, and fireproof structural systems.
House Modular Building