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What Is A Slimline Aluminium Window?


Slimline aluminium windows have many benefits and we are proud to feature these profiles in our extensive selection of frame styles. At AluFold, we work with a network of installers and tradespeople to provide homeowners across the UK with premium-quality aluminium windows and doors.

Aluminium windows offer exceptional strength and security, keeping homes of all ages safe and looking their best. You may be wondering what makes these windows so special, and how slimline aluminium windows compare to other frames available today - well, we are here to tell you everything you need to know.

Slimline Aluminium Windows - What Makes Them Unique?

The majority of homes in the UK have uPVC casement windows installed. These windows are easy to maintain, have a simple yet visually appealing appearance and offer reliable long-term performance. While there is nothing wrong with the classic casement window, slimline aluminium windows are the superior choice.

Aluminium is an incredibly strong but comparatively lightweight metal. Consequently, it can support large glazing panels in smaller frames, offering a sleeker, more contemporary look.

This makes it the perfect choice if you’re hoping to modernise some old timber windows, or if you intend to replace UPVC windows with something more up-to-date. Slimline aluminium frames have a sleek, contemporary appearance and can be easily customised to suit the aesthetic of every property.

Benefits Of Slimline Aluminium Windows

It is no secret that we are huge aluminium advocates here at AluFold and we are proud to improve homes across the country with our exceptional slimline aluminium window range. There is no arguing that uPVC casement windows can offer reliable performance but aluminium is the better material in many ways.

Here are just some of the key benefits of slimline aluminium windows:

  • Versatile - Aluminium can be shaped easily, without any risk to the structural integrity of the frames. This means the frames can be made in a variety of sizes and to suit the existing appearance of heritage homes and new builds alike. Aluminium windows are available in a wide range of configurations and we have a large stock available in our state-of-the-art facilities.

    Reliable long-term performance - Aluminium windows can offer peak performance for several years. When properly maintained and cared for, these durable windows can last for over 30 years. The frames are weather-resistant and will not become damaged due to long-term exposure to the natural elements.
  • Strong & secure - Home safety is of paramount importance and windows need to offer protection that homeowners can count on. Aluminium is robust and lightweight, so while the frames may be slim, they provide exceptional support for the whole profile. At AluFold, our windows can be upgraded to Secured By Design, meaning the frames have been tested to meet police-preferred standards. Fitted with multi-point locking systems and toughened safety glass, our slimline aluminium windows offer trustworthy security.

    Increased natural light - Slimline aluminium windows are the perfect option for homeowners wanting to create a brighter living space. The slim aluminium frames allow for larger glazing, creating a wider surface area for natural sunlight to flood into the home.
  • Improved thermal performance - A slimmer frame does not equal less insulation. Our profiles offer exceptional thermal performance all year round. All of our windows meet Building Regulations standards and achieve U-Values as low as 1.4 W/m²K. When upgraded to triple glazing, our aluminium windows can offer even greater energy efficiency, achieving 1.2 W/m²K U-Values. The thermally broken frame ensures homes stay warm throughout every season, with no compromises made to their sleek and slim appearance.

Slimline aluminium windows have many benefits and can improve a property's appearance and thermal performance. We recommend these strong and energy-efficient windows to homeowners across the UK and offer customisable designs, with quick turnaround times.

Available in a wide range of colours and with a thickness from just 74mm, the stylish and secure AluFold slimline windows are a perfect home improvement project. We work alongside installers, architects, builders and trade professionals to provide homeowners with top-quality windows. Contact AluFold or request a free online quote today and experience the many benefits of slimline aluminium windows.