Shipping Container Insulation

Container Insulation

Benefits of Insulating Conex Shipping Containers

Temperature Regulation: Insulation maintains a stable internal temperature, keeping contents cool during hot summers and warm during cold winters.

Energy Efficiency: By reducing the need for heating and cooling, insulated containers lower energy consumption, resulting in cost savings.

Moisture Control: Proper insulation prevents condensation, thereby reducing the risk of corrosion and protecting the integrity of the stored items.

Noise Reduction: Insulation also serves as a barrier to external noise, creating a quieter environment inside the container.

Container Insulation Options

Understanding Vapor Barriers

A vapor barrier is a material that prevents moisture from entering the container’s interior. Installing a vapor barrier is crucial in environments where humidity is a concern, as it helps prevent mold and mildew growth.

Insulation: Inside, Outside, or Both?

Deciding where to apply insulation depends on the container’s intended use. Interior insulation is typically easier and more effective, but exterior insulation can provide additional protection and is sometimes preferred if interior space is a concern. In some cases, a combination of both offers the best results.

Types of Containers We Insulate

• Insulated containers for shipping are designed to maintain stable temperatures during transit.
• Insulated containers for storage are perfect for long-term storage of temperature-sensitive items.
• 20-ft insulated containers: Our best-selling size due to their versatility and portability.
• 40-ft insulated containers: Ideal for larger storage or shipping needs.
• Ex-reefer insulated containers: Former refrigerated containers repurposed for various uses.

Container Contents that Benefit From Insulation

Keep Your Valuable Items Safe

• Vehicle storage
• Sensitive equipment
• Sensitive tools
• Document storage
• Perishable goods
• People: Provides a comfortable environment for employees in container offices, workshops, or living spaces.

Interior Conex Container Insulation Options; Detailed Information

Closed Cell Spray Foam Insulation: Closed cell spray foam insulation offers enhanced durability and moisture resistance featuring a dense, compact structure that not only provides superior thermal resistance but also contributes to the rigidity of the container. Benefits include:

• Best resistance to moisture therefore it resists mold, fungus and bacteria
• Acts as a sound barrier
• Will not settle over time like batt can
• Robust nature supports high R-values, ensuring efficient energy use and cost savings

Blown Insulation: Blown insulation, unlike spray foam, consists of loose particles that are blown into walls or cavities. It is suitable for retrofits and areas that are difficult to insulate with rigid materials. However, it may require additional vapor barriers to prevent moisture ingress, especially in areas prone to humidity.

Polystyrene Panels: Polystyrene panels are rigid insulation boards known for their ease of installation and cost-effectiveness. These panels offer consistent insulation performance and are lightweight, making them easy to handle and fit within container walls. However, their rigidity can be a drawback when it comes to achieving a perfect seal against air leaks. Additionally, while they provide a solid thermal barrier, they may not offer the same level of soundproofing as other insulation types. Polystyrene panels are best suited for applications where ease of installation and budget constraints are priorities.

Batt Insulation: Batt insulation, typically made from fiberglass or mineral wool, is a traditional insulation option that offers good thermal and acoustic properties. It is available in pre-cut panels and is easy to install between studs or joists. This type of insulation is particularly effective in office or living space conversions within containers, where soundproofing and comfort are important. However, batt insulation may require a vapor barrier to prevent moisture-related issues, and its performance can be compromised by compression or improper installation.

Mineral Wool Insulation: Mineral wool insulation is known for its fire resistance and excellent sound absorption capabilities. Made from natural or synthetic fibers, it is available in various forms, including batts and loose-fill. Mineral wool maintains its insulating properties even when wet, making it suitable for environments exposed to moisture. Its high density is effective for noise reduction, making it ideal for containers used as workshops or living spaces. 

What is a Vapor Barrier: A vapor barrier is a material used to prevent moisture from penetrating and condensing within a structure, which is crucial in maintaining the integrity and longevity of the insulation in shipping containers. Installing a vapor barrier is especially important in humid climates or when using insulation types that are susceptible to moisture damage. It helps protect against mold and mildew, ensuring a healthy environment inside the container. For containers used as living or office spaces, or housing sensitive equipment or goods, a vapor barrier is a recommended addition to the insulation system to enhance effectiveness and durability.

Exterior Conex Container Insulation Options; Detailed Information

Wood Siding: Wood siding offers a natural and aesthetically pleasing exterior insulation option for shipping containers. It provides excellent insulation properties, helping to regulate the container’s temperature while adding an attractive finish that blends well with various environments. However, wood siding requires regular maintenance to prevent rot and decay, particularly in wet conditions. Despite this, its ability to enhance both the thermal performance and visual appeal of a container makes it a popular choice for those looking to create a rustic or traditional look.

Vinyl Siding: Vinyl siding is a durable and low-maintenance option for exterior container insulation. Known for its resistance to weathering, vinyl does not rot or fade easily, making it ideal for long-term applications. It is available in a variety of colors and styles, allowing for customizable aesthetics. While it offers moderate insulation benefits, it is often chosen for its cost-effectiveness and ease of installation. However, vinyl siding can be less impact-resistant than other materials, which may be a consideration in areas prone to physical damage.

Metal Siding: Metal siding provides a robust and industrial look, ideal for those seeking a modern exterior finish for their shipping container. It is highly durable, resistant to fire, pests, and weather conditions, ensuring long-lasting protection. Metal siding can also be treated or coated for additional insulation properties, improving energy efficiency. While it offers excellent protection and durability, it can be more expensive than other siding options and might require additional insulation layers to prevent thermal bridging and enhance energy performance.

Other Modifications That Pair Well with Insulation

Incorporating modifications such as upgraded walls, flooring, and ventilation alongside insulation significantly enhances the functionality and comfort of shipping container conversions. 

Improve Your Environment with Insulation

Insulation is a vital component in a wide range of environments, including offices, workshops, restrooms, homes, cabins, and more. In these spaces, insulation plays a crucial role in maintaining a comfortable temperature and enhancing energy efficiency by minimizing the need for excessive heating or cooling. It provides a barrier against external elements, such as extreme temperatures and moisture, ensuring a stable and pleasant indoor climate. By preventing heat loss and controlling moisture levels, insulation contributes significantly to the functionality and livability of these spaces, making them suitable for diverse applications. Whether it’s creating a cozy home, an efficient office, or a productive workshop, insulation ensures that these environments are inviting and well-equipped to meet the needs of their occupants.

Contact Us

If you are looking to buy a shipping container, we are here to help. Advanced Container Co. is dedicated to providing the best steel containers and we have highly skilled fabricators to customize to fit our client’s needs. Contact us today to find out more.