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Aluminium or uPVC windows: which suits your home?

Aluminium and uPVC are the most popular materials for new windows. We compare the differences in appearance, insulation, maintenance, colour and price.

When you replace your windows, you usually choose between aluminium and uPVC. Both are low-maintenance and insulate well. Still, there are clear differences.

Appearance

Aluminium is much stronger than uPVC. That means the profiles can be slimmer, even with large windows and heavy glass units. You get more glass and more light. uPVC profiles are wider and often have rounded corners.

Insulation

Modern aluminium windows have a thermal break and insulate excellently with triple glazing. Good systems reach a Uw value below 1.0. uPVC insulates well by itself. In practice the difference with a good aluminium system is small.

Maintenance and lifespan

Neither needs painting. Aluminium does not rust, does not warp and hardly discolours. That's why it lasts a very long time. Aluminium is also easy to recycle.

Colour

Aluminium is powder-coated and available in any RAL colour, including a different colour inside and outside. uPVC usually gets a foil finish, with a smaller choice.

Price

Aluminium windows are usually more expensive to buy than uPVC. In return you get a longer lifespan, slimmer profiles and more design freedom.

What suits you?

Do you want slim profiles, lots of light, large windows or glazed fronts, or a sleek or even a steel look? Then aluminium is the logical choice. We are happy to advise you during the free measuring visit.

Planning new windows?

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