Aluminium Windows

Modern aluminium windows come with the best in sightlines, excellent weather performance, security and colour options.  With significant improvements over early generations of windows, the products you buy today no longer suffer from poor energy efficiency, limited colour choices or high maintenance subframes.  Advances in profile technology, construction, hardware and glass now mean today’s products provide a solution for virtually any kind of customer requirement.

aluminium windows

Information about aluminium windows.

The construction of the best aluminium windows starts with aluminium extrusions and profiles meeting specific industry standards for quality, conformity and type. Added to these are a selection of thermal break and added insulation making the frames insulated and preventing cold bridging.

Making aluminium windows remains largely a hand-assembled process. Machines only carry out cutting and the preparation of machined holes, slots and drainage. As a result, aluminium frames are largely hand-assembled and a made-to-order product. You’ll rarely find stock size and designs.

Glass available with aluminium windows

The glass used in aluminium windows also comes in different thicknesses such as double or triple glazing. Choosing the right glass in the window ensures the best U-Values and energy-saving properties.  Furthermore, windows come with extensive options for enhanced security, improved acoustics, privacy or shade.

Energy efficiency in aluminium windows works best with the thermally insulated frame combined with a good specification glass unit. As a minimum, most products come with double glazed units having a soft-coat low-emissivity coating, warm edge spacer bars and an argon gas fill. 

Energy efficiency of aluminium windows.

Very energy-efficient windows in aluminium include triple glazed Passivhaus products, and those with enhanced insulation. Senior Architectural, for instance, offers the PURE suite of windows with a polyurethane thermal break with excellent performance. Origin OW-80 casement windows come with the option of better energy-efficiency when specified with Aerogel.

Finally some of the best performing windows for U-Values or Window Energy Ratings are hybrid windows. These use a combination of wood on the inside and aluminium inside. The solid wood internally creates an excellent thermal barrier and helps lower energy bills.

Powder coated colours and finishes.

The surface of aluminium windows inside and out, comes with a durable powder-coated finish, in over 150 different colours.  Also available with aluminium windows are woodgrain finishes, dual colours, metallics and even textured surfaces.

Anodised windows create a contemporary metallic appearance and provide even more durability compared to powder coating, but at an additional cost.

What finishes you get with aluminium windows depend on a number of factors. These include available stock, the colour range specified, whether satin, matt or gloss and what the company chooses to offer outside of a special order colour.

Security of windows for the home.

The security of fixed or opening windows is also excellent. As well as multi-point locking systems, there are top brand locks such as Yale used with Origin aluminium windows and other brands offering significant protection.  These combine with high quality handles or methods for conveniently opening windows at a high level.

Whether your windows come internally or externally beaded, most good brands are tested to the same stringent security standards such as Secured by Design, PAS24 or Document Q for new build homes.

Designs and styles of windows.

There is no PVCu or timber product on the market offering the slimline proportions of aluminium. With these slim sightlines comes inherent profile strength, without needing the additional multiple chambers, aluminium or steel reinforcing of PVCu. As a result, fixed or opening windows come at wider and taller sizes, larger opening elements and offer scope for apex windows, picture windows above doors or floor-to-ceiling glazing such as the type used in architectural glazing. The designs and styles also offer a number of window types and styles.

When it comes to opening methods, there are many choices.  Fixed, outward or inward opening, tilting, reversible and even parallel opening are just some of the options. There’s even more information about the different types of aluminium windows.

Windows for new or existing openings.

Available with direct fix frames, most products fit easily where they’re replacing existing windows. 70mm or 75mm frames make replacing old timber or plastic windows easy with only routine trims and architraves required internally.

For new openings, there are several types of frames available ensuring some of the thinnest sightlines.  Finally, you’ll find frame options for fitting to existing stone, hardwood frames and other building features.

Contemporary and traditional aluminium frames.

Many perceive aluminium only suitable for contemporary houses and new extensions.  In fact, most good brands offer a choice of frame, opening lights and even different cills such as timber look.

Therefore, choose profiles in a chamfered style working well in more traditional houses, with a rounded look to the outer frame, vent and even the mullions and transoms.

Cottages, properties with stone or wood surrounds also work well with aluminium. Here, there are solutions for slim flat or profiled frames including glazing beads offering a putty-look, similar to the original.  These types of windows are also perfect for steel-look windows with matching doors.

Whether you need a contemporary or traditionally-styled appearance in the home, Origin, Aluk, Smart Systems and the brand new Stellar Aluminium System all offer flush casement designs – another innovation in aluminium, previously only available with PVCu or timber windows. Coming in 2020 is the new Sheerline system offering similar specifications to other window brands on the market.

Kawneer powder coated aluminium windows
GT70 Steel Replacement from Kawneer makes for great residential windows.

Window Brands and Systems.

Shuco, Reynaers, Kawneer are generally regarded as upper-tier aluminium windows. Mid-range brands include Comar, Origin, Senior Systems, Stellar, Sheerline Windows, Aluk and Smart Systems. There are also other reasonably priced brands from other systems companies.

The range of aluminium systems and brands is extensive.  There are established systems, new window products emerging and specialist products from expert manufacturers.  We list some of the best-known brands.

aïr MOD aluminium windows

The new aïr MOD aluminium windows come designed and made as a harmonised collection of five different window versions. The windows come fabricated to the trade by Everglade Windows in London and available throughout with different sightlines and functionality. aïr… Read More

AluK Windows Product Information

steel patio doors AluK aluminium windows can meet the replacement window needs of any kind of home irrespective of age or design. The AluK 58BW window system comprises a suite of slim aluminium window profiles suitable for all types of properties. What kind… Read More

Comar Architectural Aluminium Systems

Comar Architectural Aluminium Systems are based in Mitcham, Surrey and are part of The Parkside Group Ltd.  Comar windows are tried and tested, high quality and widely specified by architects. Comar's product range is vast; ranging from Aluminium doors and… Read More

Kawneer AA720 aluminium windows

Kawneer windows in a house. The suite of Kawneer AA720 aluminium windows has been expertly developed by Kawneer to provide a complete aluminium window solution. The design, performance and quality behind Kawneer aluminium windows means they can be installed anywhere where a secure, modern and… Read More

Origin OW-80 Windows

Origin windows with dummy sashes. Origin OW-80 Windows are a thermally broken casement window system designed to create fixed windows, opening casement windows and large picture windows. Origin aluminium windows feature polyamide thermal breaks to create a window with excellent thermal performance, exceeding the requirements of… Read More

Reynaers SL38 Suite of slimline aluminium windows

Reynaers have for a while offered their excellent suite of aluminium windows. One of these was the CS38. This has now been upgraded to the new Slim Line 38 series. It offers better performance than ever before. SL 38 and… Read More

Schuco Aluminium Windows

Schuco aluminium windows are advanced made to order windows, suitable for types of residential and commercial buildings. Information about Schuco Aluminium Windows Combining premium engineering and design as well as functionality and high performance, Schuco is one of the best… Read More

Senior Architectural Launch new PURe aluminium window

Senior Architectural Aluminium has an excellent range of aluminium door and window systems and have recently been innovating with a new range of windows such as their fibreglass window systems.  Thermally broken windows have been available for many years. Senior… Read More

Sheerline Windows and Doors

Sheerline Windows and Doors comes from Garnalex Systems, is a new suite of aluminium windows and doors for the UK market. Sheerline windows come with new design features with improved fabrication and installation such as windows without a glazing bead and… Read More

Smart Systems Steel Replacement Window Suite

There are now several systems companies offering an aluminium steel replacement window and other products that are designed to replicate original steel windows. How to create the wrong steel replacement window. Many people have made the mistake of spoiling the… Read More

Stellar Aluminium Windows

trade supply grey casement windows Stellar Aluminium Windows is a new collection also with residential, sliding and folding doors designed by Epwin Window Systems. The Stellar casement range comprises outward opening casement windows as well as fixed light glazing. It fully integrates with the entire… Read More

Warmcore Aluminium Windows

Warmcore residential windows. Warmcore aluminium windows are one of the most recent windows to hit the market. They feature a pvcu thermal core, aluminium exterior and are aesthetically excellent with impressive U Values. Read More

In addition to framed products, options exist for having frameless windows in the home. 

Windows for conservation areas and listed buildings.

Homeowners with a Listed property or those with a home in a Conservation Area and Areas of Outstanding Natural Beauty may find the current range of slimline and heritage windows suitable to their local Planning Authority or Conservation Officer.  However, every installation is different and our advice is always to consult with your local authority at the outset.

Then, working with a professional installer and the right system creates a suitable window replacement for conservation areas.

Contact us for information and advice about buying aluminium windows.

The Aluminium Trade Supply Website has for over ten years, provided homeowners and the trade with impartial information and advice about aluminium. Use our contact form to get in touch for more information, where to buy and advice on systems and brands.