Aluminium joinery is durable, modern, and everywhere. Though, for some reason, a bunch of myths about it still float around. You might have heard some of them: ‘Aluminium joinery is just for commercial buildings,’ or ‘It’s not energy efficient.’ The truth? These claims are outdated. And sometimes they’re just plain wrong.
If you’re building or renovating in New Zealand, our expert team at Window Factory is here to set the record straight. In this article, we share some of the common myths circulating about aluminium windows and doors, and debunk them in the process!
Myth 1: Aluminium Windows Are Only Used Commercially
Back in the day, aluminium joinery was the go-to for office buildings because of its strength and clean lines. That’s where the myth comes from. But in 2025? Aluminium windows and doors are everywhere in Kiwi homes.
You’ve got so many options. From powder-coated colours and wood-look finishes, the world is your oyster when it comes to customising your windows or even a dream entrance door.
Aluminium sliding doors connect indoor and outdoor spaces brilliantly. Bi-fold windows open up your living areas to an abundance of fresh air and sunlight. And let’s not forget oversized statement windows, which are perfect for soaking up New Zealand’s gorgeous views.
Aluminium joinery can work its magic in any style of home, from heritage villas to modern and edgy new builds.
Myth 2: Aluminium Joinery Is Too Expensive
It’s true that aluminium joinery can cost more upfront than materials like timber or uPVC. But there’s a catch; it’s cheaper in the long run.
Aluminium is tough as knuckles. That means fewer repairs and replacements. You also don’t have to spend excessive time or money on painting or resealing it.
Aluminum joinery has excellent energy-saving features which can help you cut down on power bills (more on this later!).
Over a 10-year period, for example, the savings from reduced maintenance and better energy efficiency more than make up for the upfront cost.
Myth 3: Aluminium Windows Condensate
This myth comes from the days of single-pane aluminium windows. Back then, the condensation problem was real. But modern aluminium joinery has come a long way since then!
Today’s aluminium windows and doors use a unique thermally broken system. Their frames have an insulating layer that stops heat transfer, preventing condensation. Pair them with double glazed, high performance low-e glass, and condensation truly becomes a thing of the past.
For the best results, proper ventilation is key. If you have a well-ventilated home fitted with aluminium joinery, it’s highly unlikely that you will experience condensation issues.
Myth 4: Aluminium Joinery Is Hard to Maintain
Some people think aluminium windows and doors need constant cleaning or treatments. Not true. Aluminium is actually super low maintenance. It’s actually one of the easiest materials to maintain.
A soft cloth, soapy water, and five minutes of your time are all it takes to keep aluminium joinery looking its best. This is very much unlike timber, which needs ongoing painting or sealing. Aluminium also resists rust, warping, and peeling… even in tough New Zealand weather.
If you live near the beach, a quick rinse now and then can be helpful for removing salt buildup. But that’s about as complicated as it gets.
Myth 5: Aluminium Windows Aren’t Energy Efficient
As mentioned earlier in this article, older aluminium windows and doors didn’t have insulation. Because of this, they didn’t do a brilliant job of keeping homes warm in winter and cool in summer. But much of today’s aluminium joinery is built different.
New Zealand’s building code sets minimum requirements for energy efficiency and thermal insulation under the H1 Energy Efficiency Clause, which applies to residential and commercial buildings. Thermally broken aluminium joinery, when paired with high-performance glass, complies with these standards.
It can help keep your home’s indoor temperature comfortable the whole year around, and can offer some serious electricity bill perks.
Trusted Aluminium Joinery NZ
Aluminium joinery has copped a lot of myths over the years. But, the truth is that most of them just don’t hold up anymore. It’s not just for office buildings. It’s not crazy expensive. And it’s definitely not stuck in the dark ages.
Modern aluminium windows and doors are built for New Zealand homes. They’re long lasting, low-maintenance, and energy-efficient. Add thermally broken frames, double-glazed windows, and high-performance glass, and you’ve got a home that stays cosy in winter, cool in summer, and doesn’t drain your power bill.
At Window Factory, we have a comprehensive product range, including finishes like powder coating, anodised options, and distinct hardware collections. so, you can customise the look to suit to be totally yours.
Still not convinced? We’re proud to only use the best quality Architectural Profiles Limited (APL) window and door joinery ranges, including FIRST® Residential, FIRST® Metro Series, Thermal Heart™ and the FIRST® APL Architectural Series.
It’s time to ditch the myths and enjoy the benefits. And there’s no better company to partner with than Window Factory, the trusted choice for homeowners in New Zealand. Contact us today for a FREE quote!
