Volver al blog
Artículo

Insulation Layer for Container Houses

Admin 17 de septiembre de 2026

The insulation layer for container houses can be achieved by selecting appropriate materials, adding insulation layers, optimizing window and door designs, and paying attention to detail handling.

I. Selecting Appropriate Thermal Insulation Materials
Thermal insulation materials are the core of container house insulation, and it is essential to choose materials with low thermal conductivity and good insulation properties. Common materials include expanded polystyrene (EPS) boards, polyurethane foam (PU) boards, and rock wool boards. EPS boards are cost-effective and suitable for general climate regions; PU boards have a high closed-cell ratio and superior insulation effects, but are more expensive; rock wool boards excel in fire resistance and are suitable for scenarios with high fire safety requirements. Material selection should be based on a comprehensive assessment of climate conditions, budget, and usage needs.

II. Adding Thermal Insulation Layers
Insulation layers can be implemented through external hanging or internal embedding methods.

  1. Externally Hung Insulation Layer: Install insulation boards (such as EPS or rock wool boards) on the exterior walls of the container house, covered with metal sheets or waterproof membranes to form a dual-layer structure of 'insulation + protection'. This method is simple to construct but requires attention to the waterproofing and wind pressure resistance of the externally hung layer.
  2. Internally Installed Insulation Boards: Install insulation boards on the interior walls of the container house, covered with gypsum boards or decorative panels to provide both insulation and aesthetic enhancement of the interior space.
  3. Embedded Insulation in Walls: Fill the cavity between the container house walls with insulation material (such as polyurethane foam) and seal it with double-layer gypsum boards to form a continuous insulation layer. This method offers superior insulation effects but requires modification of the wall structure and is more complex to construct.

III. Optimizing Window and Door Designs
Windows and doors are the primary channels for heat loss and require material and structural optimization to enhance insulation performance.

  1. Using Double or Triple Glazing: Double or triple glazing filled with inert gases (such as argon) has significantly lower thermal conductivity than single glazing, effectively reducing heat transfer.
  2. Installing Sealing Strips: Install rubber or silicone sealing strips along the edges of windows and doors to fill gaps and prevent cold air infiltration. Sealing strips should be regularly inspected and replaced to ensure long-term effectiveness.
  3. Selecting Insulated Windows and Doors: Prioritize the use of thermal-break aluminum alloy or plastic-steel windows and doors, whose internal thermal-break structures can block thermal bridges and further enhance insulation performance.

IV. Paying Attention to Detail Handling of the Thermal Insulation System
Detail handling directly affects insulation effectiveness and structural safety.

  1. Sealing Joints: Joints between insulation materials should be sealed with specialized sealants or aluminum foil tapes to prevent heat leakage through gaps.
  2. Reinforcing Structural Connections: The connection points between the insulation layer and the container house frame should be reinforced with both mechanical fastening (such as rivets) and adhesives to ensure structural stability.
  3. Moisture-Proofing: Add a moisture-proof layer (such as a waterproof membrane) on the exterior side of the insulation layer to prevent performance degradation of the insulation material due to damp environments.