Assess, Design and Deliver

Magnetite focuses on upgrading the performance of your existing windows doors and skylights. Magnetite’s retrofit double glazing system provides all the benefit of double glazing without the hassle of replacement windows. We offer a range of product to help insulate your home or office to achieve superior noise reduction and thermal comfort.

Our integrated approach includes assessing the existing windows and doors, designing the best retrofit double glazing solution and delivering the result through an efficient installation. As part of our customised solution, we are tailoring the thickness of glazing and air cavity to fit your requirement for noise and thermal insulation.

Our retrofit double glazing systems are designed for a range of application in both residential and commercial buildings.



In many homes, windows are a major feature of the building. From the view they the reveal to the natural light they let in. Conversely, windows can also let in too much noise, heat or cold. With over 15 years of experience, Magnetite has been helping home owners reduce noise, heat and cold, while retaining the character of their homes with our double glazing window system. As a secondary window system with no structural changes required, Magnetite is the ideal solution for strata, apartment living or heritage properties.
Residential case studies



We help create building efficiency and improve the comfort of existing buildings by reducing the energy use and noise penetration in that building. With extensive knowledge and experience in double glazing requirements, our customised solutions can assist you in achieving the best results on your project. Magnetite has been involved with noise reduction and thermal insulation in commercial projects for hospital, hotels, schools, office building, restaurant, heritage listed properties and government building.
Commercial case studies



In Magnetite, we believe that our success not only depends on successful product but also the quality of our people. We operate in conjunction with a franchise network of qualified estimators and installers. For over 12 years, Magnetite has actively engaged the franchise network helping the franchise owners build a thriving business in the home renovation sector. With the rising costs of energy and a global recognition of the importance of sustainable living Magnetite is well positioned for future growth. The sustainable benefits of the product are complemented by the growth in urbanisation and the need to have quiet, peaceful living environments.
Read our franchisee’s story

Contact us today for more information about our services.
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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.…