What Materials Are Used for Building Container Houses
The main materials used for building container houses include core framework materials, wall materials, lining and flooring materials, and auxiliary materials, as detailed below:
Core Framework Materials: Weathering steel is the core material for the main framework and corrugated panel walls of container houses. During the smelting process, trace alloy elements such as phosphorus, copper, chromium, and nickel are added to this steel, enabling the formation of a dense oxide layer on its surface. This oxide layer effectively prevents internal metal corrosion, allowing container houses to adapt to environments with high humidity and salt content, such as coastal areas or damp industrial zones.
Wall Materials: There are multiple options. Rock wool sandwich panels offer top-tier fire resistance. Made by melting volcanic rock into fibers, they have a high fire rating but are relatively expensive. Polyurethane panels excel in thermal insulation but are flammable, generally suitable for temporary sheds with lower fire safety requirements. Glass wool panels have better fire resistance than polyurethane panels and are moderately priced, but they should not be exposed to water. Outer-layer color steel plates primarily protect the internal core materials, serving both protective and decorative functions.
Lining and Flooring Materials: The container floor is typically laid with high-strength bamboo-wood composite flooring over 28 millimeters thick. This flooring combines the elasticity of wood with the compressive strength of bamboo, capable of withstanding the碾压 (crushing) of multi-ton forklifts, meeting the usage requirements of container houses in logistics and transportation scenarios. The internal wall cladding of the container body often uses plywood or magnesium oxide boards treated for corrosion and fire resistance. These materials provide moisture and thermal insulation and serve as key substrates for installing electrical circuits and hanging items.
Auxiliary Materials: Thermal insulation cotton, used as filler within sandwich panels, commonly includes rock wool and polyurethane foam. Rock wool offers outstanding fire resistance, while polyurethane foam provides better thermal insulation. Sealing strips play a crucial role at container body joints. Made of ethylene propylene diene monomer (EPDM) rubber, they can withstand temperature variations of several dozen degrees without cracking or aging, ensuring the airtightness of container houses. Regarding coatings, exterior facades are often coated with high-weather-resistant polyester powder, which, after high-temperature curing, exhibits far superior adhesion and UV resistance compared to traditional paint films. Anti-static floors offer a good foot feel and can withstand a certain level of activity, suitable for venues requiring anti-static properties.
