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Polyester Insulation

  • Polyester Insulation

    Polyester Insulation

    100% polyester insulation is becoming more and more popular as an alternative choice to fiberglass. It is manufactured to the same performance levels as other types of insulation but has a number of distinct advantages. The following are some advantages and disadvantages of polyester insulation.


    • Non itchy — the dust or fibers are not small enough to enter your pores to create irritation.

    • Environmentally friendly as it’s made from at least 45% recycled plastic.

    • Strong durable product which can handle being moved at a later date or walked on.

    • Odourless and neutral.

    • Long life material (50 year + durability rating).

    • Can be stapled into place (subfloor) to ensure that it will not move.



    • The fibers are small enough to create irritation of the respiratory system during installation.

    • Protective light respiratory equipment (i.e. a dust mask) must be used when handling.

    • It is more expensive than fiberglass.

    • Generally, it has to be thicker in volume than fiberglass to achieve the same thermal performance which can restrict its use in some areas.

    • Handling of the material during installation is more difficult as the bales are quite large.

    We install polyester insulation material manufactured in Auckland under the brand names Mammoth, Cocoon and Greenstuf. View the brochures here.

    Our Service

    Our knowledge of insulation and the materials available stems from extensive and continued market research and from years of installing the materials that we sell. To get the best result you need the right advice on the correct product for your home and the best way to install it.

    We have installed insulation into over 15,000 houses. That’s the experience you need.

    We offer the convenience of a full installation service, full assessment service, including our RentFit Healthy Home report, phone and online ordering as well as a prompt delivery service, we also have a warehouse where products can be viewed, demonstrated and purchased. We know existing and older houses, we know what works and we are happy to share our knowledge!

    As with all our products and services, when it comes to polyester insulation, where possible, we aim to sell New Zealand made products and ensure our high quality standards are continuously met. 

    We will work with you to understand your ceiling and underfloor insulation requirements and offer you specialist advice on the best polyester insulation to warm up your home.

    Contact us to discuss your polyester insulation requirements.