How to choose between wood, aluminium and uPVC

How to choose between wood, aluminium and uPVC

Modern window materials & new technologies

Historically, windows were made using timber frames. Steel windows came into use in the early part of the 20th century, followed by aluminium in the post-war period. But as good conductors of heat, metal windows easily let heat escape from a home. uPVC windows were introduced in the 1980s as a more energy efficient type of window, and remain the most popular window material to this day.

The modern uPVC window has been in development now for over 40 years. During this time, a great deal of effort has gone into creating something that not only looks fantastic, but also performs to the highest security, performance and environmental standards now expected by the EU and UK Governmental regulations.

Advances in manufacturing technology means that modern windows offer better performance than ever before. Whichever material you choose, your new windows are likely to beat your current windows for security, strength, energy efficiency and lifespan.

Timber windows

Offers the lowest thermal conductivity. Classic looks, but is most expensive.

Timber is the highest performing material in terms of energy efficiency, as it is a natural insulator that absorbs and retains heat. Timber windows are seen to be most attractive, but natural materials such as wood require more looking after to keep them at their best.

Timber frames can be made from both softwood and hardwood. Softwood is faster growing and more plentiful, so it's cheaper. Hardwood grows slower and is more durable, so tends to be more expensive. Modern timber frames are engineered to be stronger, meaning they will not warp or bow, and can also be treated to resist rot and fungus.

The added beauty of timber is that it can have a stained or painted finish, and it is the only material that can be repainted a different colour at a later date, so personalising the look of your home becomes even easier.

Make sure you choose sustainably sourced timber windows that are approved by the Forestry Stewardship Council (FSC).

uPVC windows

Long lasting and low maintenance, offering high performance at affordable prices.

uPVC is often touted as a miracle material Mfor windows that ticks all the boxes for any project. The truth is that uPVC is a good all-round material that makes smooth and stylish frames that will never rot, flake or rust. uPVC windows are still among the most energy efficient available, and – with excellent double glazing – can achieve up to an A+12 Windows Energy Rating.

uPVC is a popular choice for windows as it offers fantastic value for money, although for some it may lack the unique charm of other materials. However, it is now possible to buy uPVC windows designed to emulate traditional timber frames, to such an extent that it can be difficult to tell them apart.

It used to be that you could have any window, as long as it was white. Now uPVC frames are available in a range of colours, guaranteed to last a lifetime with extensive guarantees against frame discolouration. Many windows also now contain lead-free uPVC, which is an important environmental and health factor.

Aluminium windows

Slim frames let the most light in. Stylish exterior is ideal for modern properties.

Aluminium windows are used in structural glazing and other commercial construction projects due to its strength. In domestic properties, this allows for a much thinner window frame and a larger glass surface area, letting more light into the room.

As a metal, aluminium is a natural heat conductor, letting heat pass through easily. Aluminium windows feature a thermal barrier in the frames, which reduces heat loss through the frames. In the last 10 years, thermal barrier technology has improved massively, and aluminium windows can now achieve almost the same high energy ratings as uPVC windows.

Aluminium windows are also extremely weatherproof and low maintenance. Unlike other metals, aluminium does not corrode, so window frames will not rot, flake or rust. It used to be that you could have aluminium windows in any colour as long as it was silver, but not anymore! A powdered coated finish allows a wide range of colours to be chosen for the frame – including non-metallic colours.

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