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What is uPVC and Why is it Ideal for Double Glazed Windows?
What is uPVC and Why is it Ideal for Double Glazed Windows?
When it comes to building or upgrading a home, windows aren’t just about looks, they play a huge role in comfort, energy efficiency, and even security.
That’s why double glazed windows have become a top choice for Australian homeowners.
But there’s another piece of the puzzle that’s just as important as the glass itself: the frame.
That’s where uPVC steps in . . .
What Exactly is uPVC?
What exactly is uPVC and why is it so commonly paired with double glazed windows?
uPVC stands for unplasticised polyvinyl chloride, a strong, rigid plastic that’s used for window and door frames, plumbing pipes, and even medical devices.
The “unplasticised” part means it doesn’t contain added softeners (unlike regular PVC), so it remains tough, firm, and weather-resistant.
The go-to material in modern window manufacturing!
uPVC has become a go-to material in modern window manufacturing, and for good reason. It’s not only practical, but also helps boost the overall performance of double glazed units.
Why Use uPVC With Double Glazing?
Double glazing involves two panes of glass separated by a sealed gap. This setup reduces heat transfer, making your home warmer in winter and cooler in summer. But to maximise the benefits, you need a frame that holds up its end of the deal. That’s where uPVC excels.
Here’s Why uPVC is Such a Popular Choice
1. Energy Efficiency That Works
uPVC is a natural insulator. Unlike aluminium, which can conduct heat and cold, uPVC doesn’t easily transfer temperatures. This means it helps keep heat inside your home during winter, and blocks it out during summer.
When paired with double glazing, uPVC frames form an ultra-efficient thermal barrier that reduces your reliance on heating and cooling and helps lower your energy bills.
2. Low Maintenance, High Performance
One of the biggest appeals of uPVC is how little effort it takes to keep it looking great. It doesn’t rot, warp, peel, or flake like timber. You won’t need to sand, seal, or paint it year after year.
A simple wipe with soapy water is often enough to keep uPVC frames clean. That’s a win for anyone who’d rather spend their weekends relaxing than repainting window frames.
3. Built to Last in Harsh Aussie Conditions
Melbourne’s climate can be tough on building materials, from blazing sun and salt air to torrential rain. uPVC is designed to handle it all.
It’s highly resistant to:
- UV radiation (won’t fade or become brittle)
- Corrosion (unlike some metals)
- Moisture and mould
- Common pollutants and chemicals
This makes uPVC particularly suited to coastal or changing environments, where other materials may struggle to hold up.
4. Enhanced Security
Your windows should be more than just a view to the outside, they should protect your home, too. uPVC frames are tough and robust. When combined with secure multi-point locking systems and quality glazing, they create a strong physical barrier that’s difficult to force open.
This added security gives homeowners peace of mind, especially when combined with the natural strength of double glazed glass.
5. Great Value for Money
Compared to timber or thermally-broken aluminium frames, uPVC offers a more affordable solution without compromising on performance. It delivers excellent insulation, durability, and security. All while keeping your costs under control.
In other words, you get more bang for your buck.
The Perfect Match: uPVC + Double Glazing
uPVC frames and double glazed windows are like a well-matched team, each strengthening the other. Double glazing provides the glass insulation, while uPVC ensures the frame doesn’t undo that good work. Together, they create a window system that helps regulate your indoor temperature, cut down on energy bills, block outside noise, and stand strong against the elements.
Final Thoughts
If you’re looking to improve your home’s energy efficiency, comfort, and curb appeal, upgrading to uPVC double glazed windows is a smart move. With minimal maintenance, long-lasting durability, and strong thermal performance, uPVC isn’t just a trendy material, it’s a practical, future-proof choice that keeps on giving.
Astellite Windows & Doors Melbourne
Ready to upgrade to safer, greener, and Australian – Certified windows and doors? Contact us today to learn more!
