To prevent a shipping container from sweating inside, you need to address the issue of condensation, which occurs when the temperature inside the container differs significantly from the outside temperature. Here are some ways to minimize condensation and keep your shipping container from sweating inside: Insulation: Insulating the walls, ceiling, and floor of the container can help regulate the temperature inside and prevent condensation. Common insulation materials include spray foam, rigid foam boards, and mineral wool. Ventilation: Proper ventilation is essential for maintaining a consistent temperature and reducing humidity inside the container. Install vents, such as louvered vents or roof turbine vents, to improve air circulation. Dehumidifiers: Use a dehumidifier to reduce moisture content in the air inside the container. This will help to prevent condensation from forming on the walls and ceiling. Moisture-absorbing materials: Use moisture-absorbing materials like silica gel or calcium chloride desiccant packs to absorb excess moisture in the container. These can be placed strategically throughout the space to help maintain a dry environment. Use a vapor barrier: Installing a vapor barrier on the walls, ceiling, and floor can prevent moisture from entering the container. This can be achieved by using materials like polyethylene sheets or a moisture-resistant paint. Keep contents dry: Ensure that the items being stored in the container are dry before loading them. Wet or damp items can contribute to excess moisture and condensation inside the container. Regularly check and maintain: Periodically inspect the container for signs of condensation or moisture damage. Address any issues promptly to prevent further damage.   By taking these steps to control moisture and temperature, you can prevent your shipping container from sweating inside and protect its contents from damage.