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Window and Door Colours and Finishes: Unrivalled Customization of Aluminium

23 November 2023

In addition to being strong, safe and well insulating windows and doors must also be beautiful to look at, customised according to one’s preferences and consistent with the style of the house. How do you choose colours and finishes for your windows and doors? Aluminium is the material that offers the greatest opportunity for choice and customisation.


An overview of window and door colours and finishes


There are many details involved in the choice of windows and doors, and it is therefore important to evaluate all options. In fact, a window and door must meet all the necessary requirements to obtain a high quality and efficient product in many points of view. In this sense, the advantages of good quality aluminium windows and doors are many: they resist the weather very well, have a long life span, insulate the house well from the outside temperature thanks to the thermal break1 and provide excellent acoustic comfort.

But, once all options in terms of strength, durability, security, insulation and other technical details have been carefully considered, it remains to make decisions on another fundamental element of windows and doors: their aesthetics. And, in this case too, aluminium allows a greater range – both in terms of quantity and quality – of shapes, colours, effects and finishing.


Why is choosing the right window and door colours and finishes so important?


One should not make the mistake of thinking that the choice of window and door aesthetics is a negligible detail. Since windows are elements destined to last over time – aluminium windows and doors last up to 50 or 60 years -, they are not replaced frequently and, therefore, must be able to adapt to the style of the house and not tire out those who look at them every day.

Windows not only fulfil a functional function in the building, but also contribute to the overall appearance of the house, defining its uniqueness. The choice of a wooden window and door with warm tones is quite different from the choice of a black opaque aluminium one with subtle profiles: the former suits a rustic and classic house, the latter a more modern and sophisticated style. Choosing the right colours and finishing for windows and doors therefore means integrating the window with the architectural and design style chosen for the furnishings, accessories and other structural parts of the house. The perfect window and door colour is one that blends harmoniously with the rest of the building, ensuring visual harmony.

Aluminium is perfect in the case of modern home renovation – but its infinite range of customisation possibilities makes it the most suitable material for any kind of aesthetic taste.


How to choose window and door colours and finishes


Given the importance that window and door colours and finishes have in the overall aesthetics of a house, it is crucial to choose them carefully. Here are some tips to follow to avoid making mistakes.


Defining the desired style and appearance for the home


Before selecting the finishing and colour of windows and doors, it is essential to define the personality you want to give your home. This personality will be influenced by the colour palette used, the division of space, the furnishing style and the geographical location of the home. For example, a house in the countryside will be more inclined to a rustic style than a house in the city.

You can therefore opt for a classic, modern, minimal, industrial, rustic, mullion, vintage, shabby chic, Nordic or even mix different styles and eras. Based on the preferred style, it will be easier to select the type of colour and finishing.

Aluminium has the extraordinary ability to adapt to a wide range of styles, thanks to its aesthetic versatility. It is the obvious choice in more modern and minimal contexts, or even in an industrial style: its thin profiles adapt well to these styles, perhaps playing with neutral colours and rough or opaque finishes. But, by choosing different colours and perhaps a wood-effect finishing, aluminium lends itself to any style. Aluminium is also an excellent material from a practical and functional point of view for windows and doors.

Here are a few examples for choosing aluminium windows and doors to suit the different styles of the home:

  • modern minimalist style: aluminium is the ideal material for this style, as the thin profiles give it elegance and essentiality. To maintain the minimalist aesthetic, it is advisable to opt for neutral colours and light shades such as white, beige and light grey. The opaque finishing is perfect for achieving the refined effect typical of the minimalist style.
  • nordic style: in this case, clean and essential lines are preferred, with light colours such as white, light grey or light wood-effect finishes.
  • industrial style: aluminium is perfectly integrated between the wood, exposed brickwork and black metal details typical of this style. The ideal colour is dark, such as anthracite grey or black, perhaps with a raw or opaque finishing.
  • classic, rustic, mountain style: in these cases, aluminium windows and doors can be chosen with a wood effect finishing, perhaps with warm tones that give the home comfort and warmth. The wood effect of METRA Building’s ALUMINIUM-WOOD windows and doors is particularly realistic, offering the warmth of wood together with the maximum performance of aluminium.
  • personal style: it is not always necessary to adhere to a predefined style. Those who want to give their homes a unique and very personal look can also experiment with colours and finishes for windows and doors. Aluminium windows and doors can be customised with a wide range of colours, from pastel shades to brighter colours such as blue, red or yellow. These brighter or more unusual colours can then be combined with equally eclectic furniture or, to balance, with more basic and essential elements. The finishing, as well as the handles with their different shapes, should also not be forgotten. Finally, aluminium is a ductile and flexible material, so it can also be used for windows with more unusual shapes.


Taking the lighting level of the house into account


A house that offers high living comfort must necessarily provide good natural lighting in its rooms. Sunlight is incomparable to any artificial light, and contributes positively to the occupants’ well-being. To maximise luminosity in rooms, it is advisable to choose light colours for windows and doors. Shades such as white, beige, light grey and pastels make the house instantly brighter.

However, in the case of large windows and doors, it is possible to opt for darker shades such as black or grey. In this case, the dark colour does not compromise room luminosity, as the large glass surfaces allow plenty of sunlight to penetrate.

When it comes to room luminosity, aluminium windows and doors are an excellent choice. Their slender profiles minimise overall dimensions, allowing a greater extension of glass surfaces and, consequently, better natural lighting.


Opting for the most practical and aesthetically pleasing window and door finishes


Even when window and door features and colours are the same, the finishing can make a considerable difference to the overall appearance. For example, a polished black aluminium window and door and an opaque black one produce very different stylistic results.

Therefore, the choice of finishing is an important element in the selection of windows and doors. Finishes can be glossy or opaque, but can also include special effects such as sandblasted, mirrored, smoked, metallised or wood effect. In the case of aluminium, the wood effect is particularly realistic, with grains and details that faithfully reproduce the natural appearance of wood, unlike PVC finishes that sometimes have a less convincing plastic appearance.

While wood-effect finishes are ideal for houses with a more rustic or elegantly classic style, metallic finishes, both glossy and opaque, are better suited for more modern and minimalist homes. In any case and in whatever finishing you choose, aluminium gives a sense of refinement and attention to detail.


Remember that the window and door can also be bicolour (or bi-material)


Sometimes, for the colour of external windows and doors, the choice is limited by landscape constraints, as is the case for example in a historical centre. Similarly, those who live in a block of flats must obey the constraint that requires all the blocks of flats to use the same colour for windows and doors, so as to achieve homogeneity of style. The owner of the house must comply with these constraints, but may not want to use the same colour for the inside of the windows and doors, i.e. those visible from inside the house.

The answer is bicolour frames, a design solution for windows and doors that involves the use of two different colours for the inside and outside of the frame. This choice creates a visual contrast between the interior and exterior of the building, improving the decorative impression and offering greater flexibility in customising windows and doors. You can therefore comply with landscape constraints for exterior windows and doors while at the same time satisfying your own colour preferences for interior windows and doors.

Another option would be to choose a window and door made of two different materials, in order to achieve the maximum combination of aesthetics and functionality. METRA Building’s ALUMINIUM-WOOD line, for example, is designed precisely for this purpose: the internal part of the window and door is made of wood and gives the house the typical warmth of this natural material, while the external part is made of aluminium and therefore guarantees maximum performance and durability.


Customising window and door colours and finishes: why choose aluminium


Of the three materials commonly used to make windows and doors, aluminium is undoubtedly the material of choice when it comes to customisation and aesthetics of windows and doors.

Wood is a good material for windows and doors; with its naturalness, it can give the home a sense of comfort and cosiness. Its special grain makes it unique. On the other hand, the colour palette of wood, as well as its finishing, is rather limited and therefore does not allow for extensive customisation. Moreover, wood is an organic material and, as such, requires rather frequent maintenance.

PVC is a plastic material that offers greater flexibility in customisation than wood. However, the different colour tones in PVC are applied through coloured films, which may lose adhesion and flake off over time. Moreover, the vibrancy of the colours may fade with prolonged exposure to intense sunlight. The ‘plastic’ appearance of PVC is always evident, particularly in higher quality windows and doors.

Aluminium, on the other hand, is a metal that, in itself, possesses an elegant and sophisticated appearance. Its distinctive feature lies above all in the wide range of customisation options for colours and finishes. In addition to classic shades such as black, white, beige and grey, it offers a rich range of nuances including green, blue, red, yellow and brown, ranging from pastel tones to more vibrant and bright colours. The durability of these shades over time is guaranteed by colouring the aluminium through oxidation or painting processes in a series of steps that preserve their vibrancy over the years.

The finishes of the aluminium are also varied and very realistic: from glossy and extra-glossy to opaque, from sandblasted to stippled, up to a wood effect with different colours and grains for a truly realistic result.


Customising colours and finishing of aluminium windows and doors METRA Building


It is hard to beat aluminium in terms of customisation (and more); METRA Building knows this well and offers aluminium windows and doors that are not only practical and resistant, but also beautiful to see and touch. The oxidation and painting of METRA Building windows and doors are certified, certified by the Qualanod, Qualicoat, Seaside and Qualideco brands, provide a wide range of customised products and can also be complemented by an antibacterial action.

What makes the use of aluminium even more attractive is that the oxidation and painting treatments contribute significantly to prolonging the life of our windows and doors. These treatments are highly resistant to corrosion, scratches and stains, ensuring uncompromising durability. In addition, it should be emphasised that aluminium requires minimal maintenance and does not require special cleaning or extraordinary interventions.

Not to be underestimated, finally, is the issue of sustainability, which is very important to METRA Building. The powder coatings used in METRA Building aluminium windows and doors are free of toxic heavy metals or VOCs (volatile organic compounds) that can be harmful to health. METRA Building’s production process does not involve the use of solvents and takes place in plants that do not disperse substances that are harmful to humans and the environment.

METRA Building aluminium windows and doors are extremely customisable in terms of colours and finishing, coming in no less than 7 different aesthetic lines:

  • AL: in this line you will find solid colours in all shades, from classic white to elegant dark green via black, beige, grey, red and all the colours of the RAL range. The paints used are fully opaque and excellently scratch-resistant; the finishing can be glossy, extra-glossy or opaque.
  • Raffaello: realised in collaboration with leading architecture studios, it is characterised by a dotted effect obtained thanks to a skilful mixing of colours. The finishing can be smooth or hammered, extremely pleasing to the eye and to the touch.
  • Sablé: rough or satin-finished, the finishes in this line offer a sandblasted effect that is particularly well suited to a wide range of styles. The perception is that of a vintage yet modern window and door.
  • Decor: the unique aesthetics of wood is used in this line in combination with the excellent performance of aluminium, revealing a window and door with a very pleasant aesthetic impact. The grain and details of the wood, available in different colours, are reproduced very faithfully thanks to a delicate sublimation process.
  • Earth: the colours of this line are inspired by the colours of nature, such as the blue and azure shades of the sea. The result is a product that brings comfort and a sense of cosiness to the home.
  • Anodic: perfect for modern, designer homes, this line consists of basic colours such as black, grey and brown. The effect is that of a sophisticated, designer window and door, preferably to be used in more contemporary environments.
  • Inspiration: a very innovative line that aims to reinterpret the most emblematic trends of famous architectures.