20FT Easy Installation Prefab Tiny Modern Prefab House for Home. Extended Lifespan: Galvanized and painted steel profiles ensure a lifespan exceeding 30 years against harsh weather. Customizable Materials: Roof and wall materials available in EPS, Rockwool, Grasswool, or PU options. Flexible Modularity: Units can be adjoined or stacked up to 3 levels high to create expandable spaces. Efficient Logistics: Knock-down design allows 4-6 units to fit in a single 40HQ container. Rapid Assembly: User-friendly design requires only hand-tools and approximately 8 man-hours for assembly. Durable Insulation: SIP wall panels feature spray-foam insulation resistant to rot and mold. ISO Standard Compatibility: Dimensions match standard 20ft ISO containers for seamless stacking and transport. Global Certification: Products certified with ISO and CE standards for international safety compliance.