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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uPVC Windows

Higher-performing uPVC windows that balance optimisation of heating and cooling loads with consumers’ desire for greater natural light should be actively encouraged as the energy-efficient and cost-effective solution for Australian homes.

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There are widespread concerns about the actual performance of Australian homes that are supposed to be achieving minimum energy efficiency standards in the National Construction Code (NCC).

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The uPVC Window Alliance is pleased to announce the release of an Australian Industry Code of Practice (ICP) and accreditation scheme for the manufacture of uPVC (unplasticised PVC), or vinyl profiles to be used in windows and doors in Australia.

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Posted by on in uPVC Windows

Tired of your precious home heating or cooling escaping through old single-pane windows? Or are you becoming frustrated with growing traffic noise affecting your indoor comfort? Then it might be time to consider an upgrade to double-glazing to improve the energy efficiency or the acoustic insulation of your home.

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The Australian federal government, through the Department of Industry and Science’s YourHome.gov.au website, has released free architect‐designed plans and base specifications for homes to achieve a minimum 7 Star NatHERS rating in a range of climate zones.

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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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Despite their huge popularity in Europe and North America, uPVC windows are only now being more widely taken up in Australia as home owners and builders try to achieve or exceed important 6-star energy efficiency building ratings.

Quality uPVC windows have long been recognised as a high performance window choice that offers thermal advantages over alternate materials such as timber or aluminium.

Thermal performance is one of the most important characteristics of a window. Double glazed uPVC windows can be as much as 4 ½ times more energy efficient than single glazed aluminium framed windows.

In winter, up to 70% of heat from inside your house is lost through standard 3mm window panes and even more is lost with heat transfer through metal frames.

By cutting the transfer of heat from the warm inside to the cold side of the window, uPVC windows with double glazing will significantly reduce the loss of heating warmth in cold weather, meaning less energy is required to maintain a comfortable indoor temperature.

In Australia, uPVC windows consistently rate among the highest performers under the WERS rating system and significantly outperform most aluminium windows.

They are proven performers in reducing energy consumption for heating and consequently can make a useful contribution to lowering your household energy and gas bills.

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Excerpt and image from article written by Vinyl Council Chief Executive Sophi MacMillan and published on industry news website Sourceable

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There is a common misconception that double glazed windows are only useful in the cold climates of Europe and North America to keep out the cold. However double glazing can be just as effective at keeping the heat of an Australian summer out.

Windows can severely impact on the heating and cooling loads of a building. Standard glazed windows account for 40% of a home’s heating energy loss and up to 87% of summer heat gain in a typical Australian insulated home.

uPVC frames and double glazed windows are relatively new in Australia but common in Europe and North America. In fact, they are the most popular choice for windows in these regions. Worldwide more than half of all new and replacement residential windows are uPVC, that’s almost 290million window units each year chosen for their durability, energy efficiency, performance, low maintenance and style.

Choosing uPVC double glazed window units with a low solar heat gain and low U values reduces or eliminates the need for expensive artificial cooling.

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Worldwide, more than half of all new and replacement residential windows are uPVC, chosen for their durability, low maintenance, high thermal performance and style.

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Posted by on in uPVC Windows

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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“proCoverTec” can be applied to either one side or as a full cover, on the in-side, outside, and visible rebate surfaces, as pictured. Graphics / picture: profine

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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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On behalf of the uPVC Windows Alliance, the Vinyl Council of Australia recently hosted a series of technical seminars on the European approach to high quality uPVC windows and how the certification process can be applied to the growing Australian uPVC windows market.

Keynote speaker for the seminars was highly regarded European uPVC windows quality and certification expert, Mr. Bernhard Elias. Mr. Elias is 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.BernhardEliasWeb

Much of the presentation focused on the need for a certification process to set out the performance requirements for uPVC window profiles within the context of the relevant climatic conditions. Mr. Elias shared the European experience and programs to members of the uPVC Windows Alliance and interested industry members who are currently defining an Australian Industry Code of Practice (ICP).

During his presentation, Mr. Elias addressed the question of why there is the need to have a rigorous certification scheme for uPVC window profile systems.

“Certification delivers confidence in the product– a proof of long time suitability. Every requirement for certification has to do with long term use.

“And when it comes to suitable certification systems for Australia, there is one peculiarity to consider – the sun!“ concluded Mr. Elias.

Mr Elias explained that, in his view, any accepted artificial weathering test of profiles destined for Australian use will have to obey the high irradiation of Australia’s climate.

The Australian ICP currently under development intends to address this. It is intended for suppliers of profiles to local fabricators to give confidence to consumers in the durability of uPVC profiles under Australian climatic conditions. The extruded uPVC profiles will have to meet specific composition, weathering resistance, colour and strength requirements. These performance requirements were selected as they affect the longevity of the profile.

Click here to view or download Mr. Elias’ full presentation

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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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While many new home builders are benefiting from fitting double glazed uPVC windows, there is no reason why existing home owners cannot enjoy the same thermal, noise and overall energy efficiency from high performance uPVC windows.

uPVC window frames are superior insulators, specifically designed for double glazing. Over their lifetime, uPVC windows will increase the energy efficiency of your home while reducing your household greenhouse gas emissions, saving you heating and cooling costs.

According to the Efficient Glazing tool, if you replace typical aluminium-framed single-glazed windows in a medium sized house in efficient glazingMelbourne with typical uPVC double glazed windows, over one tonne of greenhouse gas emissions will be saved every year! Use the Efficient Glazing tool to see how you can save by switching to double glazed uPVC windows. 

uPVC windows are a great choice for replacement windows in older homes. They can be designed to suit the s
tyle and age of your home, whether a heritage era house or more modern. With less noise, better thermal comfort and little maintenance, your home will become a haven.

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Posted by on in uPVC Windows

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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