Do You Need Rmax Thermasheath-3 Insulation?

RMAX Thermasheath-3 Insulation Fabrication for Shipping Containers: Is It Needed?

Key Takeaways

• RMAX Thermasheath 3 insulation is composed of a closed-cell polyisocyanurate foam core bonded to reinforced aluminum foil facers.
• It provides excellent thermal efficiency to act as a water-resistive barrier.
• This insulation material is durable, lightweight, and easy to install, which makes it suitable for shipping containers.
• RMAX Thermasheath 3 is perfect for extreme weather conditions as it ensures superior temperature control and moisture protection.
• Conexwest provides reliable fabrication services so that your shipping container is well-insulated and protected.

Overview of RMAX Thermasheath 3 Insulation

RMAX Thermasheath 3 is a high-performance thermal insulation board manufactured primarily for use in building envelopes, including walls, roofs, and attics. It is composed of a closed-cell polyisocyanurate (polyiso) foam core that is bonded to reinforced aluminum facers, which provides a durable and effective insulation solution.

Installation

Thermasheath 3 can be installed either vertically or horizontally; it is typically secured using fasteners, with a recommendation of at least eight fasteners per 4'x8' board. The edges of the boards should be tightly butted, and while taping joints is acceptable, it is not mandatory unless specified by local building codes.

Thermal Performance

Thermasheath 3 renders significant thermal resistance, with R-values ranging from 3.2 for 0.5-inch thickness to 31.0 for 4.5-inch thickness. A higher R-value means better insulation and, thus, lower energy costs for heating and cooling your shipping container.

Water and Air Resistance

The product acts as both a water-resistive barrier (WRB) and an air barrier when properly sealed. This dual functionality helps prevent moisture intrusion and air leakage, which can lead to mold growth and reduced energy efficiency.

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When You Need RMAX Thermasheath 3 Insulation

RMAX Thermasheath 3 is suitable for containers intended for long-term use or storing temperature-sensitive goods

1. Temperature-Sensitive Storage: If the shipping container is used to store items that are sensitive to temperature fluctuations, such as electronics, pharmaceuticals, or food, insulation is essential. RMAX Thermasheath 3 helps maintain a stable internal temperature to protect valuable contents from extreme heat or cold.
2. Condensation Control: Insulation is required in environments where condensation is a concern. Shipping containers can be subject to significant temperature differentials between the inside and outside, which leads to moisture buildup, and Thermasheath 3 mitigates this risk by providing a thermal barrier, thus preventing mold and mildew growth that can damage stored items.
3. Living or Working Spaces: If a shipping container is converted into a mobile office, workshop, or living space, insulation is necessary for comfort and energy efficiency. Insulating with RMAX Thermasheath 3 creates a more pleasant environment by reducing heat loss in winter and heat gain in summer.
4. Long-Term Use: For containers intended for long-term use, such as in residential applications or as permanent structures, insulation boosts durability and energy efficiency.

When You Do Not Need RMAX Thermasheath 3 Insulation

1. Short-Term Storage: If the shipping container is used for short-term storage of items that are not sensitive to temperature or humidity, insulation may not be necessary. For example, storing outdoor equipment or tools does not typically require insulation.
2. Dry Climates: In regions with consistently dry climates where humidity and condensation are not issues, insulation might be less critical. The internal environment may remain stable enough without additional thermal protection.
3. Non-Climate-Controlled Uses: If the shipping container is solely used for shipping or transporting goods that are not affected by temperature changes, such as construction materials, insulation may not be required. In these cases, the container's primary function is not to provide a controlled environment.
4. Cost Considerations: In scenarios where budget constraints are significant, and insulation does not align with the intended use of the container, it may be practical to forgo insulation. This is particularly true for one-time use or temporary applications where the benefits of insulation do not justify the costs.

Advantages of Using RMAX Thermasheath 3 Over Other Insulation Methods

RMAX Thermasheath 3 has a high R-value for better insulation

High R-Value and Energy Efficiency

RMAX Thermasheath 3 insulation has a high R-value, which indicates superior thermal resistance compared to many traditional insulation materials. 

For example, a 2-inch thickness of Thermasheath 3 provides an R-value of approximately 13.1, which is significantly higher than fiberglass or polystyrene options. This high thermal performance translates to better energy efficiency and lower heating and cooling costs over time.

Moisture and Condensation Control

The closed-cell structure of RMAX Thermasheath 3 makes it resistant to moisture absorption, which is important in preventing condensation within shipping containers. This characteristic helps mitigate mold and mildew growth to protect both the container and its contents. In contrast, materials like fiberglass can absorb moisture, leading to potential damage and reduced insulation effectiveness.

Durability and Longevity

RMAX Thermasheath 3 is designed to be durable and resistant to various environmental factors. Its aluminum foil facers provide an additional layer of protection against physical damage and moisture intrusion to improve the overall lifespan of the insulation. 

Other insulation materials may not provide the same level of durability, which can lead to quicker deterioration and the need for replacement.

Lightweight and Easy Installation

These insulation boards are lightweight, so they are easier to handle and install compared to heavier alternatives, such as concrete or some rigid foam boards. This ease of installation can result in lower labor costs and faster project completion times.

Environmental Considerations

RMAX Thermasheath 3 is manufactured using environmentally friendly blowing agents that are free from CFCs, HCFCs, and HFCs. As such, the material is a more sustainable choice compared to some traditional insulation materials, which may have higher global warming potential and ozone depletion potential.

Versatility in Applications

RMAX Thermasheath 3 is suitable for a wide range of applications beyond shipping containers, including walls, roofs, and attics in various building types. It allows for consistent performance across different projects, making it a preferred choice for builders and contractors looking for reliable insulation solutions.

How Conexwest Can Help with Shipping Container Fabrication

We provide comprehensive shipping container fabrication services to address a wide range of customization needs. Here’s how we can assist you with shipping container fabrication:

Customization Options

We help you improve your shipping containers with various modifications, including:

1. Windows and Vents: Adding natural light and ventilation to improve usability.
2. Partitions: Creating separate spaces within the container for different functions.
3. Shelving Systems: Maximizing storage efficiency by organizing items.
4. Custom Paint: Branding or personalizing the container to meet different aesthetic needs.

Expertise and Reliability

We have dedicated fabrication shops staffed with highly skilled technicians who receive ongoing training in the latest container trends and technologies. Our expertise ensures high-quality production and reliable service.

Warranty and Durability

All containers we fabricate come with a warranty - new ISO shipping containers are covered for 10 years, while used cargo-worthy containers have a 5-year warranty. This coverage includes a leak-proof guarantee, and we commit to repairing or replacing units at no charge if defects arise from improper materials or workmanship during normal use.

Transparent Pricing

We are committed to providing upfront and transparent pricing for both fabrication and delivery services. You can easily request quotes by directly reaching out to us or filling out our web form by clicking the link below.

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Frequently Asked Questions (FAQs)

How long does the installation take?

The installation time for RMAX Thermasheath 3 depends on the size of the shipping container and the complexity of the project. On average, it can take anywhere from a few hours to a couple of days to complete the installation.

Is the insulation fire-resistant?

Yes, RMAX Thermasheath 3 is designed to meet fire safety standards. Its closed-cell polyiso foam core is inherently fire-resistant to provide an added layer of safety for your shipping container.

Can RMAX Thermasheath 3 be used in areas with high moisture levels?

Yes, RMAX Thermasheath 3 is suitable for use in high moisture areas due to its moisture-resistant facer - as such, it is effective for applications in attics, crawl spaces, and even exterior walls where moisture control is essential.

What are the environmental benefits of using RMAX Thermasheath 3?

RMAX Thermasheath 3 is manufactured using environmentally friendly blowing agents that are free from CFCs, HCFCs, and HFCs, resulting in zero ozone depletion potential (ODP) and negligible global warming potential (GWP).

What services does Conexwest provide?

1. Container Sales: New and used shipping containers for various applications.
2. Container Rentals: Flexible leasing options for short-term or long-term needs.
3. Container Modifications: Custom fabrication services to modify containers for various uses, such as adding doors, windows, insulation, and electrical systems.
4. Delivery Services: Efficient transportation of containers to customer locations.