uPVC Windows Alliance

Read all the latest news and information regarding uPVC Windows, the energy efficient and low maintenance alternative to traditional window frames.

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Syndey based Houzz contributor, Rebecca Gross has written a great guide to uPVC window frames and their thermal-energy performance, acoustic properties and durability.

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A total of 4,583 modules were installed in the PV system on five roofs at profine GmbH's Pirmasens site. Photo: profine

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Building in a bushfire-prone area introduces a number of additional design, specification and construction parameters that cannot be ignored. It has been widely stated that these additional requirements can add extra costs to a new home, though it is important to note that there is usually more than one option available to designers and builders to meet the requirements of the building regulations and standards.

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Windows lose and gain heat by conduction, convection, radiation and air leakage. This heat transfer is expressed with U-values.

As a rating of energy efficiency, U-value can be used to consider performance of windows, exterior doors, skylights and all other exterior building components, including exterior walls.

In windows, the U-value measures how well heat is transferred by the entire window, that is the frame, sash and glass combined.

The lower the U-value, the more insulated the window unit and therefore the better the window will be in retaining the interior’s heat in the winter and keeping heat out during summer.

U-values are important because they form the basis of any energy or carbon reduction standard.

A significant part of the thermal energy transmission can be through the frames, or profiles, depending on how well the profile material conducts heat. Metals are generally good conductors which is why they feel hot to touch when exposed to the sun. This makes them poor thermal insulators.

Timber and plastics such as uPVC are poor conductors which therefore stops the heat transfer from the heat-exposed side to the non-exposed side. PVC and timber window frames are approximately thermally equivalent and provide a high level of energy efficiency compared to a standard aluminium frame.

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Excerpt from article written by uPVC Windows CEO Sophi MacMillan and published on industry news website Sourceable.

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The tilt and turn uPVC window has proven one the of the most popular window choices in Europe and the US where PVC windows have more than 80 per cent market share for new and replacement windows. The reason for their popularity is that tilt and turn uPVC windows offer a stylish, low maintenance and contemporary look with some unique benefits over more traditional awning or casement windows.

Tilt and turn windows open inward rather like casement windows, but they can also tilt inward from the top. Easy to operate, the window can be operated smoothly with one hand.

The multi-point locking mechanism of these uPVC windows keeps the sash and frame from twisting or bending while providing an extra safe window locking mechanism - great for secure ventilation at night.

As well as offering the excellent thermal and acoustic protection expected of uPVC window frames, tilt and turn windows are ideal for multi-storey buildings. The outside of the window can easily be accessed from the inside since the window opens directly into the room, making cleaning simple and safe.

Using the tilt position, the window opens inwards at the top, offering great ventilation yet maintaining a high degree of security because of the multi-point locking mechanism built into the uPVC profiles.

Tilt and turn – another great benefit of uPVC windows.

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While white window frames for homes are still a popular choice, today’s range of energy efficient uPVC windows offer a wide range of colour options and design styles.

uPVC window frames can be supplied as coloured polymer profiles, foiled or laminated with coloured films, factory painted, or clad on the outside with powder-coated aluminium profiles.

For coloured, metal-look or wood-look frames, the most common approach is to use foils or films. Foiled profiles from quality uPVC window suppliers are designed not to chip, warp or rot, delaminate or bubble.

In Australia, specially formulated high-UV resistant foils and laminations are available offering years of colourfastness and providing a durable, low maintenance solution for great looking windows and doors.
Talk to your window supplier about the best colour and options to suit your home.

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The unique challenges that the Australian climate presents when choosing energy efficient building materials, and specifically window profiles, will be explored at a Technical Seminar presented by the uPVC Windows Alliance in Sydney 12 August and Melbourne 13 August.

The seminar will draw on the extensive experience of the European uPVC windows market looking at how window profile quality can be certified locally to stand up to Australia’s climatic conditions.

International guest speaker is Mr Bernhard Elias, responsible for quality and certification under the German RAL window certification system - recognised in Germany and internationally as a symbol for superior quality products and services. He will be joined by Chief Executive of the Vinyl Council of Australia, Ms. Sophi MacMillan in this free technical seminar who will talk about local uPVC window industry developments.

This seminar is organised by the uPVC Windows Alliance, an initiative of the Vinyl Council of Australia, to give specifiers, architects, designers and home-owners information on uPVC windows and how such high performance windows can help to create more energy efficient homes.

“Europe have long focused on using energy efficient windows for comfort and cost savings. And in those regions, uPVC window frames with double or triple glazing are the most popular choice. However in Australia, we have traditionally used timber frames which require high maintenance; or aluminium window frames, which are lower maintenance than timber but poor thermal insulators,” said Ms MacMillan. “The opportunity to have Mr. Elias here to share the European experience will be invaluable as the Australian industry is continually striving to create more energy efficient buildings.”

The invitation to the Technical Seminar is open to all who are interested in achieving energy efficiency in commercial and residential buildings and how the Australian certification process will provide confidence in durability and long lasting energy performance.

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It’s a simple goal in modern-day home life ... keep cool in the summer and warm in the winter. But up to 70 percent of heat is gained or lost through standard 3mm window panes and even more can be lost with heat transfer through metal frames.

In winter, a single-glazed, 3mm-deep pane of glass can lose up to 15 times more heat than an insulated wall of the same area. In summer, single glazed standard windows of an average home account for over 25 percent of total heat gain.window5

Double glazing creates an air pocket between the two glass panes providing an insulating barrier, which significantly improves the window's thermal and acoustic insulation. The greater the gap between window panes, the greater the temperature and acoustic insulation.

Using double glazing with uPVC window frames will further improve the result as uPVC doesn’t conduct heat well and therefore doesn’t transfer temperatures from inside to outside, or outside to inside.

The low conductivity of uPVC as a material, the tight seals uPVC windows provide and the ease with which they can be fabricated for double and triple glazing, make uPVC double glazed windows an excellent choice in energy efficient buildings.

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uPVC Windows are proven. Available across Europe and America for the past 60 years, uPVC window profiles are today the most popular choice to deliver superior performance: worldwide, uPVC windows accounted for 55% of all new and replacement residential windows. That was almost 290 million window units in 2012, chosen for their durability, low maintenance, high energy efficiency performance and style. Here’s our five reasons why uPVC windows are the best choice:

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Tasmanian company and Vinyl Council member Envorinex is expanding a recycling program, leading to 125 bulker bags of waste from various Melbourne-based uPVC window fabricators being recycled into new products.

Since 2011, Envorinex has been working with the Oakleigh Centre for Intellectually Disabled Citizens in Melbourne who were supplied a granulator by the company to manage recycling of the uPVC waste collected. The Oakleigh Centre inspect the material to the Quality Assurance standard required, granulate and pack it into new bulker bags which are then shipped to Envorinex in George Town, Tasmania to be manufactured into 100% recycled commercial products.

“Envorinex recognises the importance of environmental sustainability. That our Melbourne recycling program has seen over 200 tonnes of uPVC waste diverted from landfill so far and made into commercially viable recycled products is not only exciting, but fitting with our sustainability responsibility and our recycling mandate,” said Ms Jenny Brown, Managing Director, Poly Marketing Pty Ltd trading as Envorinex™.

Envorinex has been collecting waste uPVC from window fabricators in Tasmania for the past three years. Due to the overwhelming demand for its recycled product range, Envorinex sourced additional waste uPVC material from Melbourne as feedstock for converting into new products.

Ms Sophi MacMillan, Chief Executive of Vinyl Council of Australia explained: “uPVC windows are the most commonly used window type in regions such as Europe and the US, and today, we are seeing growing demand in Australia for these high performance windows to improve home energy efficiency and reduce carbon emissions.

“As the use of uPVC windows frames increases, we will see growth in fabricator waste volumes available for recycling programs such as this one. The uPVC material is very recyclable, as evidenced by the tens of thousands of tonnes of fabrication and post-consumer uPVC windows that are recycled every year in Europe.”

“Envorinex is a great example of a company putting its PVC Product Stewardship Program commitments into practice,” concluded Ms MacMillan.

Many of the imported profiles used to make uPVC windows in Australia already contain recycled post-consumer window material, demonstrating the feasibility of cyclic management of the product’s materials.

Currently, Envorinex are in discussions with a disability centre in Sydney to replicate the Melbourne recycling business and meet ongoing demand for PVC recyclate

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