Meaning of Prefabricated Houses

The significance of prefabricated houses is mainly reflected in shortening construction periods, reducing costs, promoting environmental protection, improving building quality, enhancing flexibility and maintainability, and advancing building industrialization.

Shortening Construction Periods: Traditional construction requires a large number of processes to be completed on-site, which are significantly affected by weather and labor factors, resulting in longer construction times. Prefabricated houses, on the other hand, adopt a modular construction approach, with most processes completed in factories and only module lifting and pipeline connections required on-site. Compared to traditional methods, construction periods can be shortened by more than 60%, and overall project durations can be reduced by more than one-third. For example, in the MRDC Hotel project in Papua New Guinea, traditional construction would have taken 14 to 18 months, while the modular solution was completed and delivered in just a few months.

Reducing Costs: Prefabricated house components are uniformly produced in factories, allowing for economies of scale that reduce unit costs. Additionally, the quality is guaranteed, minimizing later maintenance costs. Furthermore, the use of new environmentally friendly materials that can be recycled and reused further reduces construction costs. For instance, in rural areas of Henan, the cost per square meter of a prefabricated house is only around 300 yuan, and building a 200-square-meter house costs only about 70,000 to 80,000 yuan.

Promoting Environmental Protection: Factory-based production reduces noise, dust, construction waste, and traffic congestion on-site, thereby minimizing the impact on the surrounding environment. Moreover, the use of environmentally friendly materials helps reduce resource consumption and environmental pollution, aligning with sustainable development goals.

Improving Building Quality: Modular construction involves more detailed design stages, with the position of each steel bar controlled to millimeter-level precision for error and accuracy, ensuring controllable quality. The stable factory production environment facilitates consistent and stable building quality.

Flexibility and Maintainability: Modular buildings are easy to repair and replace, allowing for flexible adjustments and modifications according to needs. Their application scenarios continue to expand, suitable for various situations such as urban renewal and old community renovations, meeting the diverse needs of different users.

Advancing Building Industrialization: Prefabricated houses transform construction into an industrial product similar to "automobile manufacturing," achieving standardization, modularization, and industrialization of building production, thereby advancing the industrialization process of the construction industry.