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When choosing new windows and doors for your home, durability is an important consideration. After all, aluminium joinery is a long-term investment, so homeowners want to know how well it will perform over the years.
So, how long does aluminium joinery last in New Zealand?
Quality aluminium windows and doors are designed to provide long-term performance, with their lifespan influenced by factors such as the quality of the joinery, installation, surface finish, location and ongoing maintenance. For homes across New Zealand, aluminium is a popular choice because it offers strength, low maintenance and excellent resistance to common issues such as warping, rotting and corrosion.
At OMEGA® Windows + Doors, aluminium window and door systems are designed and tested for New Zealand conditions, helping homeowners achieve lasting performance without compromising on style.
One of the biggest advantages of aluminium joinery is its durability.
Unlike timber, aluminium does not rot or warp, and it is resistant to many of the issues that can affect other materials over time. The aluminium itself can remain structurally sound for many years, while components such as seals, locks, handles and other hardware may require maintenance or replacement sooner.
OMEGA® aluminium joinery is manufactured with long-term performance in mind and is designed to meet New Zealand's demanding requirements for external windows and doors.
The expected lifespan of your joinery will depend on several factors, including:
For homeowners considering an upgrade, the OMEGA® range of aluminium windows and doors offers a selection of systems designed for both residential and commercial applications.
New Zealand homes can experience a wide range of weather conditions. Strong UV exposure, heavy rainfall, high winds and coastal salt air can all place additional demands on external building products.
This is particularly important when choosing aluminium joinery.
A home located close to the coast, for example, may experience significantly more exposure to salt-laden air than a property further inland. Regular cleaning and selecting an appropriate surface finish can help protect the appearance and performance of the joinery.
OMEGA® systems are designed and tested for New Zealand conditions, with options available to suit different environments and performance requirements.
The OMEGA® residential and architectural range includes standard and thermally broken aluminium systems, giving homeowners and designers options for different building requirements.
One of the reasons aluminium joinery is so popular is that it is relatively low maintenance.
However, low maintenance does not mean maintenance-free.
Regular cleaning helps remove dirt, dust, salt and other contaminants that can build up on window and door frames. This is particularly important for properties in coastal areas.
Homeowners should also periodically check:
Keeping tracks and drainage points clear can help windows and doors continue to operate as intended.
OMEGA® also offers a range of hardware designed for long-term, trouble-free operation, with options from leading New Zealand hardware suppliers.
The surface finish is another important consideration when it comes to the long-term appearance of aluminium joinery.
Powder coating and anodising provide the aluminium with an additional protective finish, helping it withstand exposure to UV, moisture and other environmental factors.
However, different environments can require different approaches to surface finishing.
For example, properties located close to saltwater may need a finish specifically suited to coastal conditions. Choosing the right finish at the beginning can help maintain both the appearance and durability of your joinery.
OMEGA® offers a range of surface finishing options, including high-performance powder coating systems. You can learn more about aluminium surface finishes and how they can contribute to long-term performance.
While aluminium frames can provide many years of service, there may come a point where replacement becomes worthwhile.
Some common signs that your existing joinery may need attention include:
Draughts Around Windows and Doors
Feeling cold air around closed windows or doors can indicate that seals or other components are no longer performing effectively.
Difficulty Opening or Closing
Windows and doors that stick, jam or become difficult to operate may have worn hardware, damaged rollers or other issues requiring attention.
Condensation Between Glass Panes
Condensation between double-glazed panes can indicate that the sealed glazing unit has failed. In some cases, the glass unit can be replaced without replacing the entire aluminium frame.
Damaged or Deteriorating Seals
Worn seals can affect weather resistance and thermal performance. Replacing seals may extend the useful life of existing joinery, depending on its overall condition.
Outdated Glazing
Older single-glazed windows can provide considerably less thermal performance than modern glazing systems. Replacing older joinery can be an opportunity to improve insulation, comfort and energy efficiency.
Significant Corrosion or Surface Deterioration
Although aluminium is resistant to corrosion, prolonged exposure to harsh environments and inadequate maintenance can affect its appearance and performance.
If your existing windows and doors are showing several of these signs, it may be worth investigating a replacement rather than continuing to repair individual components.
Replacing aluminium joinery does not necessarily mean changing the character or appearance of your home.
Modern aluminium window and door systems offer a wide range of styles, colours, glazing options and configurations. They can also provide opportunities to improve thermal performance, ventilation, security and overall comfort.
For homeowners looking to upgrade older joinery, OMEGA® offers several residential systems, including both non-thermally broken and thermally broken options.
Explore the OMEGA® aluminium window and door systems to see the available options.
For homeowners focused on improving energy efficiency and indoor comfort, thermally broken aluminium joinery is another option to consider.
Thermally broken systems incorporate an insulating barrier within the aluminium frame to reduce heat transfer between the inside and outside of the building.
This can help reduce heat loss during winter and heat gain during summer, while also helping to reduce condensation around the frames.
OMEGA® offers several thermally broken systems, including the 400 Series Architectural Thermally Broken and 800 Series systems.
The right option will depend on the home's design, location, glazing requirements and overall performance goals.
When choosing new windows and doors, it is worth looking beyond the initial purchase price.
Quality materials, appropriate surface finishes, good installation and suitable glazing can all contribute to the long-term performance of aluminium joinery.
It is also important to choose systems that have been designed with New Zealand conditions in mind.
OMEGA® has been developing aluminium window and door systems for the New Zealand market for decades. Its products are designed and tested locally, with options available for residential, architectural and commercial applications.
OMEGA® residential products are tested to the performance requirements of NZS4211 and are designed to meet or exceed Very High wind zone requirements.
So, how long does aluminium joinery last in New Zealand?
There is no single lifespan that applies to every window or door. The longevity of aluminium joinery depends on the quality of the product, installation, environment, surface finish and maintenance.
However, quality aluminium joinery is designed as a long-term solution for New Zealand homes and buildings. With the right product selection and regular care, aluminium windows and doors can continue to provide strength, functionality and style for many years.
If your existing joinery is showing signs of age, or you're building or renovating and want to understand which aluminium window and door system is right for your project, explore the OMEGA® range of New Zealand-made aluminium windows and doors or find an OMEGA® fabricator near you.
