
20FT 40FT Luxury Prefabricated Expandable Fodable Tiny Portable Seel Modular Prefab Container House with 2/3 Bedrooms Living Room Bathroom. 15-25 Year Service Life: Galvanized steel frame with anti-corrosion paint ensures durability up to 25 years. Customizable Layout and Design: Full customization for size, layout, doors, windows, and interior finishes. High Performance Insulation: 50-100mm rock wool/PU insulation blocks heat conduction for stable indoor temps. Superior Waterproof Design: Integrated waterproof design with high-elastic sealant prevents leaks at all joints. Class A Fire Resistance: Wall/roof panels use Class A fireproof core materials complying with safety standards. Fast and Easy Installation: 3-5 workers can assemble in 1-3 days on leveled ground with online guidance. Comprehensive Warranty: 1-2 years warranty on structure with lifetime technical support included. Flexible Production Lead Time: 7-15 days for standard units, 15-30 days for customized units.