Disadvantages of Container Light Steel Houses

The disadvantages of container light steel houses mainly focus on fire resistance, corrosion resistance, thermal and sound insulation, structural stability, and maintenance costs:

1. Inadequate fire resistance
   The main structure of container light steel houses is made of steel. When the burning temperature reaches 600℃, the strength of the steel significantly decreases, making it prone to deformation or even collapse. Some non-standard products use flammable materials (such as polystyrene and polyurethane foam sandwich panels), with a fire rating of only Class C, far below the national standard requirement of Class B1. In the event of a fire, the fire spreads rapidly, and the structure wrapped in iron sheets makes firefighting difficult, easily causing serious casualties and property damage.

2. Poor corrosion resistance
   Steel is prone to rust when exposed to humid environments for a long time, especially in coastal or high-humidity areas, requiring regular anti-rust treatment. If not properly maintained, the light steel keel structures of the roof and exterior walls may need to be replaced every 3-5 years, resulting in significant additional costs.

3. Subpar thermal and sound insulation
   The thermal insulation performance of low-end products cannot be guaranteed, being extremely cold in winter and hot in summer. It is necessary to choose products from higher-quality manufacturers (usually twice the price of low-end products). Meanwhile, metal materials have good sound transmission properties, so the sound insulation performance may be poor, requiring additional sound insulation treatment to reduce noise interference.

4. Structural stability risks
   Container light steel houses from non-standard manufacturers often use thin steel frames, with a wind resistance rating of only 6-7, far below the national standard requirement of over 8. In coastal or strong wind conditions, problems such as frame deformation and wall cracking are prone to occur, with rework costs reaching 30%-50% of the initial purchase cost.

5. High maintenance costs
   Regular inspection and maintenance of waterproofing, sound insulation, and other structures are required, and the requirements for the construction team are high. If the construction is unprofessional, there may be hidden dangers such as water leakage, further increasing long-term use costs.