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Ensure dry storage in your Container

Takes 3 minutes to read

Ensure dry storage: Proven strategies to combat condensation in maritime containers.

Are you facing moisture issues in your maritime containers? Worried about the damage that moisture can cause to your stored goods? This article presents comprehensive strategies that not only explain the container rain phenomenon but also provide practical steps to keep your goods dry and secure. Keep reading to uncover tailored best practices for effective moisture control in maritime container storage.


Container Rain:

pluie de conteneurContainer rain, also known as "sweating," occurs when condensed water forms on the interior surfaces of the container. Due to surface tension, the accumulated water gathers into larger drops that eventually fall under their own weight. This container rain then flows directly onto the cargo, potentially impacting its condition or packaging.


In this article, we will delve into the top strategies for effectively preventing condensation and moisture inside a maritime container used for storage.

  • Choosing the right container: Quality matters. Opt for a high-quality maritime container that is watertight and in good condition. Ensure there are no cracks, holes, or faulty seals that could allow moisture to seep in. At Container Experts, each of our containers undergoes individual inspection before being shipped by truck.
  • Control ventilation:

    Ensure that the container has proper ventilation to promote air circulation. Good ventilation helps reduce moisture buildup by expelling humid air from the container. Ventilation ports on maritime containers are designed to provide adequate airflow for maritime transport, reducing condensation and encouraging fresh air circulation. For storage and to prevent mold, goods deterioration, and long-term undesirable odors, larger vents are recommended to enhance the rate of air changes per hour.

  • Prevent Temperature Fluctuations: Maintaining a stable temperature inside the container is crucial to avoid condensation. Aim for consistency by steering clear of sudden changes in heat or cold. Consider utilizing temperature control devices or insulating your container with polyurethane foam. Don't hesitate to reach out to one of our experts for this service, which we offer.
  • Elevation: Ensure that the container is raised on blocks. This allows air movement underneath, preventing moisture from seeping up through the ground. Placing containers directly on soil or grass can lead to significant issues, making elevation a crucial factor to consider.
  • Seal tight: Ensure that the container is properly sealed and watertight. Check for any leaks or gaps that could allow water to penetrate. Repair any structural damages to the container to prevent any water intrusion.
  • Utilize Proper Packaging Materials: Carefully pack your goods using suitable materials, such as waterproof plastic packaging or moisture-treated wooden crates. Ensure that the packaging is tightly sealed to prevent moisture infiltration.
  • Frequent Use of Your Container: By using your container frequently, any built-up moisture inside has the opportunity to escape when the doors are opened.
  • Raise the Goods: Prevent your goods from direct contact with the container floor. Utilize pallets or platforms to elevate the goods, allowing for better air circulation and reducing the risks of condensation.
  • Utilize Moisture Absorbers: Place moisture absorbers, such as dehumidifiers, silica gel packets, or moisture-absorbing products, inside the container. These products are designed to eliminate the moisture present in the air, reducing the risk of condensation.


Preventing condensation and moisture inside a maritime container used for storage is crucial to safeguard your goods against potential damage. By implementing these preventive measures, you can ensure secure and optimal storage while preserving the integrity and quality of your goods and products. In summary, opt for a high-quality container, use appropriate packaging materials, control ventilation, avoid temperature fluctuations, and elevate goods to reduce condensation risks. Regularly monitor the container's condition, checking seals and removing any water or moisture buildup. Proactive maintenance and ongoing vigilance will help maintain optimal conditions inside the container.

Each storage challenge is unique, so do not hesitate to seek personalized advice. Consult with one of our experts to ensure that your goods remain in pristine condition.

Watch the following vidéo for more information: