Slimline Aluminium Windows | Trade & Commercial Aluminium Windows
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Slimline Aluminium Windows

Our slimline aluminium windows feature exceptionally slim frames creating a sleek, refined aesthetic. These modern windows allow exceptional views across any property uninterrupted. Homeowners are increasingly choosing slimline aluminium windows to fill their living space that natural light, helping it to look brighter and feel bigger as a result. Even with slim frames, they are impressively strong and durable. This makes slimline aluminium windows the product of choice for the discerning homeowner looking to bring their property right up to date.
  • Reynaers Slimline 68 aluminium profile
  • Dual colour options
  • U-values as low as 1.1W/m2K
  • Window energy rating up to A++
  • Entirely secure with BSI PAS 24 and Secured By Design accreditation
Slimline aluminium windows are a modern home improvement solution ideal for both modern and traditional properties alike due to their clean lines and slim frames. They boast a hoard of benefits for homeowners due to their versatile nature and innovative design. Manufactured using premium class aluminium, you can be sure to receive products that meet the highest standards. Excel in customer satisfaction with our slimline aluminium windows.
Slimline Aluminium Window
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Ultra-slim profiles and sleek aesthetics

Our slimline aluminium windows have been specially designed to meet the growing demand within the home improvement industry for an outwards opening window with an exceptionally slim profile. These windows are perfectly suited for use in residential properties due to their design, allowing for a maximised glass area. This allows for an inflow of natural lighting, making a property feel bigger and brighter. Reynaers Slimline 68 windows are also ideal as replacement windows due to their 68mm frame depth. This allows them to sit within the existing plaster line.

Why choose our slimline aluminium windows?

  • Versatile design that suits all properties
  • High thermal performance due to industry leading thermal insulation
  • Meets the BSI PAS 24 standard and police initiative Secured By Design accredited
  • Hundreds of design options
  • Choose from Reynaers Elementary or Fab & Fix hardware
  • Hundreds of colour options including dual colour combinations


Endless design possibilities     Slimline Aluminium Window supply

Our slimline aluminium windows are available in hundreds of RAL colour options. This ensures that you will be able to provide your valued customers with a superior product that not only meets their needs but also matches the style of their home. We also offer dual colour options that allow the functionality to select different internal and external shades. With Dempsey Dyer, the design possibilities are endless. Our slimline aluminium windows are extremely durable and high performing while also being highly customisable. Provide your customers home with this stylish and timeless design. 


Energy efficient glazing options

Our slimline aluminium windows come with the choice of either double or triple glazing in a range of different decorative styles. Our double glazed profiles reach u-values as low as ¼ W/m2K and receive an energy rating of A. Our triple glazed profiles reach u-values as low as 1.0 W/m2K and receive an amazing energy rating of A++. With this, you can feel assured that your customer’s homes will be protected to the highest thermal standards.


Premium hardware options

Our trade supply of Reynaers slimline aluminium SL 68 windows come with their standard Elementary handles (F and FF). We also offer their range of Fab & Fix hardware. This range is high performing and offers high security as standard. Your customers will receive smooth performance across thousands of uses over many years.

Performance Benefits

High performing aluminium windows

With our Reynaers SL 68 slimline aluminium windows, homeowners do have to choose between style and performance. This aluminium profile has been carefully designed by a highly experienced team of engineers and put through a stringent testing regime to ensure superior performance. These slimline aluminium windows offer style, thermal efficiency, security, noise elimination and leading weather resistance as standard.


Our slimline aluminium windows are designed and tested to the most stringent security standards. They feature the latest security hardware such as hinge side security brackets, multi-point locking mechanisms and lockable handles. Help your customers protect what matters most thanks to the advanced security capabilities of our sleek, slimline aluminium windows.

Noise elimination

The Reynaers Slimline 68 window offers market leading levels of noise elimination due to its suitability for residential properties. The system is flexible enough to allow for the inclusion of a glazed unit of up to 43mm thick which makes it possible to incorporate sophisticated acoustic glazing. This is perfect for those that live near busy roads, railways or airports.

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If you want to know more about our products, processes and accreditations, fortunately we offer a range of downloads. Download a range of literature free of charge, to refer to in your own time.

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Installers and other businesses can only work effectively if they have a reliable trade supply service – offering the highest performing products. Luckily, here at Dempsey Dyer we only supply the latest options from market leaders. This guarantees quality, performance and durability – regardless of the product choice.

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