Aluminium windows are one of those silent workhorses of your home or office. They quietly do their job—letting in light, keeping the weather out, and framing your view. But how long can they keep doing this without giving up? Generally, aluminium windows last between 20 and 50 years. That’s a broad range, right? Their longevity depends on factors like the quality of materials, how well they’re installed, and, of course, how much TLC you give them.
If you’re considering upgrading to aluminium windows, they’re a fantastic choice for their durability and modern aesthetic. Let’s explore the ins and outs of their lifespan and how to make the most of your investment.
What Affects the Lifespan of Aluminium Windows?
Not all windows are created equal, and aluminium ones are no exception. Several factors come into play when determining how long they’ll last.
1. Quality Matters
Let’s not sugarcoat it—cheap materials don’t last. High-grade aluminium makes all the difference. Manufacturers like Marvin and Pella have built their reputations on creating windows that can go the distance. They use advanced techniques and premium materials that resist wear and tear better than lower-quality alternatives.
2. The Installation Factor
Imagine buying a top-notch window, only to have it poorly installed. It’s like buying a luxury car and then filling it with the wrong fuel. Proper installation ensures that your windows fit perfectly, preventing air leaks, water seepage, and other issues that can cut their lifespan short. A skilled professional will make sure everything is aligned and sealed correctly.
3. The Great Outdoors
Mother Nature has a say in how long your windows last. If you live by the coast, salty air can accelerate corrosion unless your windows are treated with a protective coating. Similarly, extreme heat, storms, or freezing winters can take their toll. Aluminium is naturally resistant to rust, but opting for marine-grade finishes can add an extra layer of protection in harsher environments.
4. Regular Maintenance
Even the most durable windows need a little upkeep. Cleaning, lubricating, and inspecting your aluminium windows can go a long way toward keeping them functional. Think of it like going to the dentist—preventative care saves you from bigger problems down the road.
Why Choose Aluminium Over Other Materials?
There’s a reason aluminium is such a popular choice. In fact, there are several. Here’s how it stacks up against its competitors.
Wood Windows
Wood has charm, no doubt about it. But charm doesn’t always last. So, how long should wood windows last? Around 15 to 30 years, assuming you’re willing to sand, paint, and reseal them regularly. They’re lovely but high maintenance.
Vinyl Windows
Vinyl is another common option, and it’s affordable. But how long do vinyl windows last? Usually between 20 and 40 years. However, they can discolour, warp, or become brittle over time, especially in harsh climates.
Fibreglass Windows
Fibreglass is the underdog of window materials—strong and energy-efficient. How long do fibreglass windows last? Roughly 30 to 50 years. They’re solid but may lack the sleek look that aluminium windows provide.
Why Aluminium Wins
Aluminium strikes the perfect balance. It’s stylish, durable, and doesn’t demand constant attention. Plus, its modern designs can suit almost any architectural style, making it a favourite for contemporary and traditional homes alike.
Maintenance Tips for Long-Lasting Aluminium Windows
Want to get the most out of your aluminium windows? Here are a few simple habits that can make a big difference:
- Keep Them Clean
Dust, dirt, and grime can build up over time. Use a soft cloth and mild detergent to wipe down the frames and glass. Avoid abrasive cleaners—they can scratch the finish. - Check Moving Parts
Hinges, locks, and sliders need occasional lubrication. A quick spray of a silicone-based lubricant keeps everything moving smoothly. - Inspect for Damage
Look out for signs of wear, like scratches or loose seals. Catching these early can prevent bigger problems later. - Protective Coatings
If you live in a coastal or high-humidity area, a marine-grade finish can safeguard against corrosion. It’s a small investment for peace of mind.
When Should Aluminium Windows Be Replaced?
Even the most durable windows eventually reach their limit. Here are some tell-tale signs it might be time for an upgrade:
- Drafty Rooms
Feeling a breeze when the windows are closed? That’s a sign they’re not sealing properly anymore. - Sticking or Jamming
Struggling to open or close your windows? This could mean the frames have warped or the hardware is failing. - Visible Wear and Tear
Dents, scratches, or peeling finishes are not just aesthetic issues—they can signal deeper problems. - Rising Energy Bills
Old windows can’t compete with modern energy-efficient designs. If your bills are climbing, your windows might be part of the problem. - Condensation Between Panes
Fogging or condensation inside the glass indicates a failed seal, reducing insulation and efficiency.
Energy Efficiency and Aluminium Windows
Aluminium windows have come a long way in terms of energy efficiency. In the past, they weren’t the best at keeping heat in during winter or out during summer. But thanks to modern advancements like thermal breaks and double glazing, aluminium windows now hold their own against wood and vinyl options.
Thermal breaks are insulating barriers within the frame, dramatically reducing heat transfer. Pair these with high-performance glass, and you’ve got windows that look great and help keep your energy bills in check.
A Smart, Long-Term Choice
So, how long do aluminium windows last? With proper care, they can serve you well for 20 to 50 years. They’re durable, low-maintenance, and stylish—making them an excellent choice for homeowners and businesses alike. The key to maximising their lifespan is a combination of quality materials, professional installation, and regular maintenance. Still unsure on what’s right for you? Don’t worry, any qualified home builder will have a wealth of knowledge on this topic – don’t hesitate to ask whoever you’re working with!
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