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A modular bathroom is a prefabricated bathroom unit built in a factory and installed on-site as a complete system. Each unit integrates walls, flooring, ceiling, piping, and fixtures in advance, significantly reducing construction time while maintaining consistent quality.

The construction follows a modular assembly concept. Standardized frames and composite wall panels allow rapid factory assembly and interior installation. On-site, only plumbing, electrical, and ventilation connections are required before the unit is ready for use.
Composite panels play a vital role as the core structural material in modular bathrooms. They are lightweight, strong, moisture-resistant, and easy to clean — improving both assembly efficiency and durability.
Key Benefits:
- Simplified Construction Process.
- Higher Production Efficiency.
- Lightweight and Relocatable.
TOPOLOGROUP provides efficient, clean, and sustainable modular bathroom solutions for modern buildings, including hotels, apartments, container homes, hospitals, dormitories, and temporary structures. TOPOLOGROUP modular bathrooms feature an integrated composite structure that emphasizes lightweight design, waterproof performance, and installation efficiency. The system is centered around high-performance composite panels, ensuring both fast assembly and long-lasting durability.
One-piece Composite Panel Structure
Each panel is composed of FRP skins and an insulated foam core, manufactured under controlled high-pressure lamination. This combination provides excellent waterproofing, insulation, lightweight strength, and surface durability.

- Waterproof and moisture-proof: The dense and smooth FRP surface effectively prevents moisture penetration.
- Thermal insulation: The low thermal conductivity of the foam core material enhances indoor comfort.
- Lightweight and high-strength: Weighing only 1/5 of traditional concrete structures, transportation and installation are easier.
- Easy to clean and corrosion-resistant: The surface is stain-resistant and chemically resistant, maintaining a clean appearance for a long time.
Modular rapid assembly system
- Quick Installation: Standardized interface design allows for factory prefabrication and on-site assembly.
- High Sealing Performance: Tight profile connections ensure waterproof and airtight performance.
- Flexible Customization: Can be adjusted to meet the size and functional requirements of different projects.
