uPVC vs aluminium windows: the plastic vs metal saga continues!

Tall black aluminium casement windows installationuPVC vs aluminium windows (the pros and cons of both materials):

The battle between uPVC and aluminium is one that’s been hard-fought for many years. Both window materials have their own unique advantages that appeal to different types of homeowners. For this reason, there’s no clear winner or right answer, only the best choice that will make sense for you and your property. So which is it? SEH BAC are here to keep things clear!

What are the advantages of uPVC over aluminium, or vice versa?

Here’s a table with the key benefits of uPVC and aluminium windows. Our experts have gone into more depth of both materials below.

uPVC window benefits Aluminium window benefits
Low maintenance Low maintenance
Cheapest choice Slimline frames
Thermally efficient Superior thermal performances
Durable and robust Strongest construction material
Versatile designs Long lifespan

The benefits of uPVC windows

The classic and most recognisable window material for generations, uPVC windows blend in with most styles of home thanks to the wide colour palette applicable and inherent flexibility. uPVC is also the most visually versatile of the options available. While hardwood and aluminium come in different colours and finishes, uPVC can be completely customised to match any homeowner taste or the style of any property.

Not just relatively cost-effective, but offering quicker manufacturing times and virtually no maintenance, uPVC provides a practical and durable window solution that can work well on a huge range of properties. They’re a British property staple, offering reliable security, efficiency, and style at an affordable price point, always providing homeowners with a ‘set and forget’ window solution. They’re wholly resistant to harsh weather conditions and are easily recycled at the end of their long lifespan.

What’s more, at a time when more and more of us are keen to cut both our energy bills and our impact on the environment, uPVC is winning fans for its exceptional thermal performance. It excels at keeping heat in, draughts out, and interior spaces peaceful and quiet, making uPVC products a fantastic choice if you live near a busy road.

uPVC window performance overview:

  • Low maintenance and easy to clean
  • High thermal performance: 0.8 U-Value
  • A energy rating
  • Available in new and classic styles

The benefits of aluminium windows

The most recent window material option but by no means the newcomer, aluminium windows have built a reputation for being the ideal choice in commercial and large-scale projects. With its unmistakably sleek, stylish aesthetics, aluminium’s popularity has soared in recent years – thanks in part to TV shows like Grand Designs, where it’s frequently used in striking and ambitious contemporary self-build projects. Aluminium is also one of the most aesthetically versatile materials on the market, available in any RAL colour. Slim sightlines don’t just add to the striking, contemporary feel – they also offer unparalleled levels of natural light, able to brighten any room in the home and lend the whole property an airy, spacious atmosphere.

Not only unrivalled when it comes to strength, but modern aluminium windows also offer excellent thermal efficiency thanks to the polyamide thermal break – a plastic barrier placed between the inner and outer aluminium frame to prevent heat escaping. Add in high-quality glass and a premium multipoint locking system, and aluminium products can deliver truly outstanding security, energy efficiency and all-round performance. They incorporate Aerogel for impressive thermal performance, delivering U-Values as low as 0.9.

Aluminium products almost always sit at the most expensive end of the scale – but in return, you get arguably the best all-round performance, including excellent security, durability and functionality. Available in a range of styles including casementtilt and turn and as bay windows, there’s an aluminium solution to suit any home improvement vision.

Aluminium window performance overview:

  • Minimalist frames and sightlines
  • High thermal performance: 0.9 U-Value
  • A++ energy rating
  • Available in new and classic styles
  • Lightweight with a high strength-to-weight ratio

So is uPVC or aluminium the best window material for you?

Your decision to opt for either aluminium or uPVC will largely be dependent on your budget, ambition, and property needs. If you’re lucky enough to live in a listed building or conservation area, for example, uPVC make sense as they can be especially styled with classic design features in mind. Those living in a new development and are having window issues, on the other hand, will most likely want to consider sleekly styled aluminium frames.

Perfectly suited window materials from SEH BAC

With a supply and installation network nationwide, the team here at SEH BAC are well-equipped to help all homeowners realise their perfect property ambitions. Whether uPVC or aluminium, we’ll tailor your new windows specific to your household, achieving a perfect fit every time. To find out how, give us a call or contact us online today.

View our full range of windows

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