Painted Galvanized Steel Container House

A painted galvanized steel container house takes galvanized steel plates as its main structure and undergoes painting treatment, possessing various excellent properties and being widely applied.

Material and Structure

The main structure is made of galvanized steel plates. A zinc layer is formed on the surface of the steel plates through the hot-dip galvanizing process, which can effectively resist atmospheric corrosion and is suitable for long-term outdoor placement. For example, the residential container house at the Nanning Wuming Lijian project site has an overall frame made of galvanized C-shaped steel with blue paint, and uses glass wool fireproof and heat-insulating color-steel sandwich panels on the outside, featuring a two-story structure.

Performance Characteristics

• Structural Stability and Wind and Earthquake Resistance: There are differences among products from different enterprises. The container panel house of Suzhou Zhongnan adopts a galvanized steel structural frame with a thickness of ≥2.0mm. Third-party tests show that it can withstand wind speeds of up to Class 10 and its earthquake resistance meets the requirements of the GB50011 - 2010 (2016 edition) Code for Seismic Design of Buildings. Under simulated conditions of a magnitude-8 earthquake, the frame shows no significant deformation. The container panel house of CIMC Modular Building Systems has a steel structure thickness of 1.8mm and can withstand wind speeds of up to Class 9. The product of Yazhi Integrated has a steel structure thickness of 1.7mm and can withstand wind speeds of up to Class 8. The product of Baosteel Sumitomo has a steel structure thickness of 1.9mm and can withstand wind speeds of up to Class 9. However, unbranded non-standard products on the market generally use ordinary steel with a thickness of ≤1.2mm and do not undergo galvanizing and anti-corrosion treatment. In simulated Class-6 wind tests, frame shaking and wall deformation occur.
• Installation Efficiency: Branded products have relatively high installation efficiency. The main frame and walls of the container panel house of Suzhou Zhongnan are prefabricated in the factory, and only need to be assembled and fixed on site. It takes only 4 hours to install a single 30㎡ panel house, and no on-site welding operations are required. The on-site installation times for the products of CIMC Modular Building Systems, Yazhi Integrated, and Baosteel Sumitomo are approximately 6 hours, 7 hours, and 5.5 hours respectively, all requiring a small amount of on-site welding procedures. Unbranded products are mostly built by on-site cutting and welding. It takes 2 - 3 days to install a single 30㎡ panel house, and additional professional personnel are required. The comprehensive installation cost is 2 - 3 times that of branded products, and there are also safety hazards caused by unqualified welding quality.

Application Scenarios

It is commonly used as workers' dormitories on construction sites. Some people also use it as rental housing. Due to its sturdiness, durability, and convenient construction, it can also be used for emergency relocation and other scenarios.

Market Product Situation

There is information about painted container houses on the Baidu Aicai platform, with brands such as Yijia, Tianqin Electric Power, Wanlong, Yongzhu, Shengtaidingzuo, and Shengfengshang. The materials include stainless steel and steel containers, and the structures include light steel structures and folding containers.