What is a uPVC Window?
uPVC windows have been popular in the UK since the 1990s, and they are still going strong today. But exactly what is a uPVC window, why are they still popular? And why you should consider getting some for your home, or maintaining the one you already have?
Here at Total Seal Repairs, we have all the answers to your questions about windows, replacement parts and window repairs.
A Short History of uPVC
uPVC stands for unplasticised polyvinyl chloride.
The material has a complicated origin, as uPVC is derived from PVC. Therefore, several scientists are credited with its early development. But industrial manufacturing of uPVC began in Germany in the 1930s.
By the 1970s, double glazing started becoming popular in the UK. At first, these window frames were made of aluminium. The main downside? Aluminium windows had poor thermal regulation and were prone to condensation.
In the 1980s, the frames began to be made of uPVC. Not only were double glazed windows more energy efficient. But they were cheaper too. This helped make uPVC the popular choice for a window frames.
Quick Side Note: uPVC and PVC
PVC is one of the first plastics discovered, and is still one of the most widely produced plastics in the world. It is used in glue, wires and packing.
There are important differences between uPVC and PVC.
- uPVC is harder and stronger
- PVC is more malleable and flexible.
That is why your windows will always be made of uPVC, not standard PVC.
Many Benefits of uPVC Windows
There are many advantages of uPVC windows. Here is why you should consider uPVC when choosing a new window.
Energy Efficient
uPVC windows are highly energy-efficient. Thermally enhanced uPVC windows are made with new technology to help lower energy bills even more and keep your home warm.
Durability
uPVC is rigid and strong. This means that it doesn’t warp in the rain and is resistant to the weather. This gives uPVC a huge advantage over wooden windows which can leak over time.
Low Maintenance
Unlike timber windows, uPVC don’t require regular maintenance and recoating. This makes uPVC windows a popular choice.
Security
uPVC windows are usually a more secure option than wooden frames. This is because of the complex lock systems built into the window construction.
Cost Effective
Generally, uPVC windows cost less than wooden alternatives. There are a range of styles and uPVC window prices to suit your tastes and budget.
Window Frame Options
Modern uPVC windows come in a range of frames and styles of window.
uPVC window frames can now even be designed to mimic the appearance of traditional wooden windows, giving the look of timber with all the benefits of uPVC.
The classic white uPVC frame also remains a popular style of window for many homes.
Types of uPVC Windows
When selecting new windows for your house, by choosing uPVC you have many styles to pick from. Popular uPVC window styles include:
- Sliding sash windows
- Tilt and turn windows
- Sash windows
- Casement windows
- Bay windows
Can You Paint uPVC Windows?
The short answer is yes. It might be one of the simplest ways to refresh and modernise your old windows.
Here at Total Seal Repairs, we’ve put together a full walkthrough guide of the process to help simplify the task.
Beyond Windows
uPVC is also a popular choice for both windows and doors. The material used for the windows can also be used to make other uPVC products. These include:
- French doors
- Conservatories
- Front and back doors
- Roof cladding
Problem With Your Window? Get Expert Repair
Got a window that can’t open? Or your window won’t close? This isn’t just inconvenient. These issues can be fire hazards, reduce your home’s energy efficiency, and compromise security. That’s why it’s important to have the issue fixed as soon as possible.
With years of experience, our professional team at Total Seal knows the best methods to repair or replace your window. If you suspect your window is damaged or broken, don’t hesitate to give us a call and speak with one of our experienced team members.
So, if you’d like support with window repair or replacement in Glasgow, contact us today by calling 07977 463 139 or by filling out our enquiry form.




