Double Glazing Existing Windows
for Soundproofing & Thermal Insulation

Welcome to Magnetite. We specialise in soundproofing and thermal insulation for existing windows. Magnetite started in 1998 with the introduction of a unique retrofit double glazing system, Magnetite®. We realised there is not always one product that suits the variety of needs and desires of all our clients. Over the years, we have developed our offering and added various glazing types as well as products such as Soundtite, secondary aluminium windows and doors, Solartite, high performance window film and Sealtite, window and door seals. This enables us to help you with the best solution for your individual circumstance. Browse our range of secondary and retrofit double glazing windows.

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Residential services
Enjoy the benefits of
Retrofit Double Glazing
for comfortable living.
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Commercial services
Boost productivity, comfort
and efficiency with Retrofit
Double Glazing.
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Discover the benefits
There are many reasons
to double glaze
your existing windows.
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Browse our range
Discover our range of
quality window and door
insulation products.
  • Why Double Glaze with Magnetite

    Double Glazing Performance + Magnetite Service = Best Customer Value

    Our retrofit double glazing window solutions are independently tested and proven to reduce noise through a window and improve the thermal performance of your windows by up to 70%.  We are passionate about delivering informed advice and an exceptional level of service which is supported by the awards we have won.  Isn’t it time you experienced Magnetite’s awesome value

    Proud Recipients of Multiple Business Awards

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  • What is Retrofit Double Glazing

    Retrofit double glazing is the addition of a secondary glazing layer to the existing window. Magnetite’s solutions are designed to suit various types and shapes of windows. Our retrofit double glazing window solutions can outperform traditional double glazed windows. Reduce noise by up to 70%, improve thermal glazing performance by up to 70% and enhance the energy efficiency of your home or office.

    We understand it is important for our clients to receive knowledgeable, timely and efficient service. Magnetite will be there to help you from your first call through to the assessment, installation to after sales service. At Magnetite, our mission is to “exceed our customer’s expectation of comfort”. Whether it is traffic noise, winter cold or summer heat, we will provide the best retrofit double glazing windows solution to suit you

    Magnetite’s retrofit double glazing window systems provide soundproofing and thermal insulation without replacing existing windows. No structural changes are required, which reduces your cost. Enjoy the benefits of double glazed windows without the hassle of window replacement. Magnetite’s retrofit double glazing windows are an affordable and effective way to soundproof and insulate your home or office. Our 7 year warranty is longer than the industry standard and compliments the comfort that comes from dealing with an industry leader with over 18 years’ experience.

How Magnetite Works

Latest from the Blog

Magnetite is now available at Auckland Home Ideas Centre

Jan 28, 2016
Magnetite is now available at Auckland Home Ideas Centre. Listen and feel the benefits of Magnetite retrofit solutions through our Magnetite sensor display. For more details…

We know what cold and hot temperature feels like, but have you ever wonder what they look like?

Oct 22, 2015
Equipped with a new Flir thermal imaging camera, we flew down to New Zealand for the opening of our Hamilton showroom in the beginning of September.…