polyester insulation south africa

Polyester Insulation Price

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Insulation is an essential component of any building, whether residential or commercial. It helps in regulating temperature, reducing energy consumption, and enhancing the overall comfort of the occupants. When it comes to insulation, there are various materials available in the market, and polyester insulation is one of them. This article will provide a comprehensive guide on polyester insulation in South Africa, including its benefits, types, installation, and maintenance.

What is Polyester Insulation?

Polyester insulation is made from recycled PET (Polyethylene Terephthalate) bottles, making it an eco-friendly option for insulation. The PET bottles are cleaned, shredded, and then melted to form fibers, which are then used for insulation purposes. It comes in rolls making it a versatile option for all types of buildings.

Benefits of Polyester Insulation in South Africa

There are some benefits to using polyester insulation in your roof. Some of the benefits are:

  1. Energy-Efficient: Helps in reducing energy consumption by regulating the temperature in the building. It keeps the building cool during summers and warm during winters, reducing the need for air conditioning or heating systems, and thereby lowering the energy bills.
  2. Eco-Friendly: Made from recycled PET bottles, making it an eco-friendly roof insulation. It helps in reducing waste in landfills and conserves natural resources, making it a sustainable product.
  3. Non-Toxic: Non-toxic and safe for the occupants of the building. It does not contain any harmful chemicals or emit any toxic fumes, making it a healthy insulation option.

Disadvantages of Polyester Insulation

Polyester insulation, like any other insulation material, has its own set of disadvantages. Some of the disadvantages of polyester insulation are:

  1. Limited Temperature Resistance: Limited temperature resistance compared to fiberglass insulation materials. It starts to degrade at temperatures above 150°C, which can be a problem in some applications where high-temperature resistance is required.
  2. Moisture Absorption: Tendency to absorb moisture, which can reduce its insulating properties. This is especially problematic in humid environments, where the insulation can become damp and less effective.
  3. Flammability: Flammable and can ignite easily, making it a potential fire hazard. It can also emit toxic gases when burned, which can be harmful to people and the environment.
  4. Chemical Sensitivity: Sensitive to certain chemicals, which can cause it to degrade over time. Exposure to chemicals like acids, alkalis, and solvents can damage the insulation and reduce its effectiveness.
  5. Limited Sound Absorption: Limited sound absorption properties compared to glass wool insulation. It may not be suitable for applications where noise reduction is a primary concern.

It has some advantages such as being lightweight and cost-effective, it may not be the best option for all applications due to its disadvantages.

Polyester Insulation Products in South Africa

There are a few different types of polyester insulation products and materials available in the South African market. Below is a list of the most common ones:

  1. Fabufill
  2. Isotherm
  3. Nutec
  4. Marley
  5. Think Green
  6. Thermo

Maintenance of Polyester Insulation

Polyester insulation requires very little maintenance. However, it is important to ensure that the product is not disturbed or displaced, as this can reduce its effectiveness. Any damage or displacement should be repaired immediately to ensure that the material continues to function properly.

How to Choose the Right Product for Your Property?

Choosing the right polyester insulation for your property can be a daunting task. Here are some factors to consider when selecting the right insulation:

  • R-Value: The R-value is a measure of insulation’s effectiveness in resisting heat flow. The higher the R-value, the better the insulation’s ability to regulate temperature.
  • Building Design: The type of insulation required depends on the building’s design, whether it’s a new construction or a renovation.
  • Installation Method: The installation method varies depending on the type of insulation. It is important to choose the insulation that is compatible with the installation method.
  • Budget: The cost of insulation varies depending on the type, quality, and quantity required. It is important to consider your budget when selecting the insulation.

Advantages of Hiring a Professional Insulation Contractor

Hiring a professional insulation contractor has numerous advantages, including:

  • Proper Installation: Professional insulation contractors have the knowledge, skills, and tools required to install insulation correctly.
  • Warranty: Professional contractors offer warranties on their work, providing peace of mind in case of any issues with the insulation.
  • Time-Saving: Hiring a professional contractor saves time as they can complete the installation quickly and efficiently.
  • Cost-Effective: Professional contractors have access to the best insulation materials at a lower cost, saving you money in the long run.


What are the disadvantages of polyester insulation?

It has limited temperature resistance, can absorb moisture, and is flammable. It also has limited sound absorption properties.

Can it be used in high-temperature environments?

It has a limited temperature resistance and can start to degrade at temperatures above 150°C, so it may not be suitable for high-temperature applications.

polyester insulation south africa

Polyester Insulation Price

Select Your Area Below to Contact a Professional: