Shipping containers are built to be durable and weather-resistant, but winter’s extreme cold, snow, and moisture can still take a toll if not properly prepared. Whether you’re using a sea can for storage or as a workspace, winterizing your shipping container will protect both the container itself and anything you store inside. In this guide, we’ll explore practical tips for insulating, weatherproofing, and maintaining your container to ensure it stands up to harsh winter weather.
1. Insulating Your Shipping Container
When preparing for cold weather, insulation is key to maintaining a stable temperature inside your shipping container. Proper insulation not only protects your belongings from freezing temperatures but also helps prevent condensation build-up.
Types of Insulation:
Spray Foam Insulation: This is one of the most effective options for insulating shipping containers. Spray foam adheres to the container’s walls, providing a moisture-resistant and energy-efficient barrier against the cold.
Foam Board Insulation: Foam boards are another good option, especially for containers being used as workshops or living spaces. They’re easy to install and provide excellent thermal resistance.
Blanket Insulation: If you’re looking for a budget-friendly option, blanket insulation made of fibreglass or other materials can be applied to the walls and ceiling of your container.
For additional protection, consider insulating the floor of your container as well, especially if it’s elevated or placed on a surface exposed to extreme cold.
2. Sealing and Weatherproofing Your Container
While shipping containers are designed to be watertight, over time, gaps, rust, or wear may compromise their weatherproof capabilities. Before winter hits, it’s important to check for any signs of damage and take steps to reinforce your container.
Steps to Weatherproof Your Sea Can:
Inspect for Rust or Damage: Carefully inspect the roof, walls, and doors of your shipping container. Rust spots, dents, or small holes can let in cold air and moisture. Address these issues with rust-proof paint or patching solutions.
Seal the Doors and Gaps: Ensure that the rubber gaskets on the doors are intact and properly sealed. If there are any gaps around the door seals, replace them to keep out drafts and moisture.
Apply Weatherproof Coating: To add an extra layer of protection against snow and rain, apply a weatherproof coating to the exterior of the container. This will prevent rust and ensure your container remains watertight throughout the season.
3. Protecting Against Condensation and Moisture Build-Up
Condensation is a major concern for shipping containers in cold weather, as it can lead to rust, mould, and damage to stored items.
To minimize moisture build-up, consider these tips:
Use a Vapor Barrier: Installing a vapour barrier between the container’s metal walls and your insulation helps reduce the amount of moisture that can seep inside.
Install Roof Ventilation: Adding roof vents or even small windows can improve airflow and prevent moisture from being trapped inside the container. Proper ventilation will reduce condensation and maintain a more stable environment.
Add Moisture Absorbers: For additional moisture control, place silica gel packs or dehumidifiers inside your container. These products absorb excess moisture and keep the air dry.
4. Elevate Your Shipping Container
If your shipping container is placed directly on the ground, it’s more vulnerable to the elements. Snow and rain can pool around the base, leading to corrosion and rust. To protect your container from water damage, it’s a good idea to elevate it slightly above ground level.
Options for Elevating Your Container:
Concrete Blocks: Place your container on concrete blocks or piers to keep it off the ground and allow for proper drainage.
Gravel Foundation: A gravel base provides excellent drainage and helps to prevent water from pooling around the base of your container.
Elevating your container also improves airflow beneath it, which reduces moisture and helps prevent rust.
5. Winterize the Locks and Hinges
Locks and hinges are prone to freezing in harsh winter conditions. To avoid being locked out of your container, it’s essential to maintain these mechanisms.
Winter Lock Maintenance Tips:
Lubricate Locks and Hinges: Apply a silicone-based lubricant to locks and door hinges to prevent them from seizing up in cold temperatures. Avoid using oil-based lubricants, as these can freeze and become sticky.
Use a Lock Cover: If your container will be exposed to heavy snow, consider using a lock cover or shield to keep moisture out and prevent freezing.
6. Preparing for Snow and Ice
Winter brings snow, ice, and freezing rain, all of which can accumulate on top of your shipping container. Excessive snow load can cause strain on the roof and may even lead to damage if not managed properly.
Snow Removal Tips:
Check the Roof Regularly: Inspect the roof periodically to ensure snow and ice aren’t building up. While shipping container roofs are strong, excessive snow weight can weaken the structure.
Use a Roof Rake: Remove snow using a roof rake or a similar tool to prevent snow from accumulating. Avoid using sharp objects that could puncture or damage the container’s roof.
7. Inspect Your Container Throughout the Winter
Once you’ve winterized your shipping container, it’s important to perform regular checks during the season. Look out for any new signs of damage, rust, or leaks that may have developed, especially after heavy snowfalls or extreme cold snaps.
By staying on top of maintenance, you can address any issues early and ensure your container stays in optimal condition all winter long.
Why Fall is the Best Time to Winterize Your Shipping Container
The fall season is the perfect time to start preparing your shipping container for the colder months. The mild temperatures allow you to make any necessary repairs or modifications before freezing weather sets in. Plus, by getting ready in advance, you’ll avoid any last-minute issues once winter arrives.
By following these winterization tips, you can ensure that your shipping container is well-prepared to handle harsh winter weather. Whether you’re using it for personal or business storage, proper insulation, moisture control, and weatherproofing will go a long way in protecting your belongings all winter long.
If you don’t already have a container and are considering one for winter storage, now is the ideal time to buy. Used shipping containers, in particular, can offer a cost-effective solution for extra storage, whether you’re storing seasonal equipment, vehicles, or other belongings.
Looking for a new or used shipping container to get ready for winter? Coast Containers has a wide selection of containers for sale across Canada. Whether you need a sea can for extra storage or a customized container, we’ve got you covered. Contact us today to find the perfect shipping container for your needs!