Prefabricated Panel Structure Houses in Weihai
Prefabricated panel structure houses in Weihai boast characteristics such as efficient construction, green and low-carbon operations, controllable quality, optimized costs, and wide applicability, and are supported by policies.

Efficient Construction: The prefabricated and assembled lightweight panel project transfers most of the component production to factories, where standardized molds and automated production are used, and then transports them to the site for assembly. For example, in a newly built residential project in Weihai, the wall construction of a multi-story residential building, which originally took three months, was completed in just 1.5 months using this technology, with a 40% reduction in on-site workers and a nearly halved construction period. In a key project in the Weihai Lingang District, the floor construction, originally planned for three months, was successfully completed in just 45 days using prefabricated assembly technology, with a nearly 60% increase in construction efficiency.
Green and Low-Carbon: Lightweight panels typically adopt a composite structure of lightweight concrete and insulation materials, with a self-weight only one-third that of traditional walls, reducing transportation and lifting difficulties and cutting carbon emissions by about 30%. Projects using prefabricated lightweight panels generate about 85 tons less construction waste per 10,000 square meters compared to traditional buildings, with a material recycling rate of over 90%. In a project in the Weihai Lingang District, the adoption of this technology reduced construction waste emissions by 80%.
Controllable Quality: During factory prefabrication, through strict quality inspection and standardized production, component errors can be controlled within 2 millimeters, and on-site assembly only requires simple connections, significantly reducing issues such as hollowing and cracking. According to a relevant official from the Weihai Housing and Urban-Rural Development Bureau, the prefabricated and assembled lightweight panel project has achieved standardized production of building components, and through BIM technology, component disassembly and installation simulations are carried out in advance, effectively avoiding on-site construction errors, with a 100% pass rate for project quality upon first inspection.
Optimized Costs: Although the unit price of prefabricated panels is slightly higher than that of traditional materials, the reduction in on-site formwork and curing processes results in an overall cost reduction of 15%-20%. In a school expansion project in Weihai, the adoption of lightweight panels saved about 120,000 yuan per teaching building.
Policy Support: With the increasing policy support for prefabricated buildings in Weihai, the prefabricated and assembled lightweight panel project is moving from 'pilot applications' to 'large-scale promotion'.




