Slash Energy Costs with Double Bubble Insulation!

Apr 23, 2024

Insulation plays a pivotal role in building construction, providing crucial thermal regulation and energy efficiency. Among the various insulation options available, double bubble insulation stands out due to its unique structure—two layers of polyethylene bubbles sandwiched between reflective surfaces. This configuration not only enhances its insulative properties but also provides excellent moisture and vapor resistance, making it a versatile choice for both commercial and residential buildings, particularly those with metal structures.

What is Double Bubble Insulation?

Double bubble insulation consists of two layers of polyethylene bubbles that are sandwiched between two reflective surfaces, typically made of aluminum foil. This structure not only enhances its thermal resistance by trapping air within the bubbles but also reflects radiant heat, making it highly efficient for controlling temperatures. When compared to other insulation types like fiberglass or foam board, double bubble insulation is lighter, easier to install, and provides a superior vapor barrier, which prevents moisture-related issues in buildings.

Benefits of Double Bubble Insulation

Double bubble insulation is highly valued for its thermal performance and energy efficiency, significantly reducing heat transfer in buildings. This type of insulation acts as an excellent moisture and vapor barrier, preventing the condensation that often leads to mold and mildew. Additionally, its durability and lightweight nature make it easier to handle and install compared to traditional insulation materials like fiberglass. These properties ensure that double bubble insulation is not only an effective choice for temperature regulation but also enhances the overall integrity and longevity of building structures.

Installation Process

Installing double bubble insulation in metal buildings involves a straightforward process that enhances both energy efficiency and comfort. Here’s a step-by-step guide:

  1. Prepare the Area: Ensure the surfaces where the insulation will be applied are clean and dry.
  2. Measure and Cut: Measure the area to be insulated and cut the double bubble insulation to fit, using a utility knife.
  3. Apply Insulation: Start from the top and secure the insulation to the framing using a staple gun, ensuring the reflective side faces the air space.
  4. Overlap Seams: Overlap sheets by at least an inch at the seams and seal them with reflective or metal tape to enhance the vapor barrier.
  5. Install Over Framing: Attach the insulation over the metal framing of the building, taking care not to compress the material as this can reduce its effectiveness.

Tools and Materials Needed:

  • Utility knife
  • Tape measure
  • Staple gun and staples
  • Reflective or metal tape

This method ensures that the double bubble insulation is installed effectively, providing optimal thermal resistance and moisture protection.

Applications of Double Bubble Insulation

Double bubble insulation is versatile, suitable for both commercial and residential buildings. In commercial settings, it is often used in warehouses and manufacturing facilities to manage large temperature differentials. For residential applications, it is effective in attics and basements where moisture control and thermal regulation are crucial. Specifically for metal buildings, double bubble insulation provides excellent temperature control and reduces the risk of condensation, which is vital in preserving the structural integrity and comfort of the building.

Cost-Benefit Analysis

When considering the cost-benefit analysis of double bubble insulation, the initial investment is often offset by substantial long-term savings on energy bills. This type of insulation is designed to be highly energy-efficient, reducing the need for heating in winter and cooling in summer, which can significantly lower energy costs. Additionally, double bubble insulation has a long lifespan with minimal maintenance needs, adding to its cost-effectiveness. The durability and low maintenance requirements ensure that the insulation continues to perform at optimal levels for many years, further enhancing the overall savings.

Compliance and Standards

Compliance with building codes and standards is essential when installing insulation in any structure. For double bubble insulation, it’s crucial to ensure that the products used meet the required thermal resistance values specified in local building codes. Using certified insulation products guarantees that they have been tested for performance and safety, aligning with industry standards. This not only ensures legal compliance but also maximizes the effectiveness of the insulation in energy conservation and structural protection. Choosing certified products supports long-term durability and efficiency, thereby enhancing overall building quality.


Double bubble insulation offers numerous benefits for metal structures, particularly in terms of energy efficiency, moisture control, and long-term durability. By reflecting heat and effectively managing temperature fluctuations, it ensures a more comfortable and sustainable environment. For businesses and homeowners looking to enhance the performance of their buildings, double bubble insulation represents a wise investment. If you are considering upgrading your insulation or have questions about your specific needs, Northern Steel Building & Construction is here to help. Contact us today to explore your options and optimize your project for success.


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