Reynaers Aluminium Windows


Reynaers offers one of the highest performing aluminium systems in the market. These are made to measure window systems that are crafted for highest functionality. Reynaers windows are designed in various styles to meet specific needs of your new projects and complement the aesthetics of pre-existing buildings under renovation. Elegant design and ease of production are significant characteristics of the Reynaers window systems. The windows from Reynaers are a perfect combination of advanced engineering and design that provide uncompromising performance with vogue aesthetics. Along with providing different window opening systems, Reynaers ensures that the products are tested for highest level of security, energy efficiency, weather tightness and acoustic performance.

In terms of availability of choices, Reynaers offers a variety of style ranges, like the Renaissance for classical aesthetics, SoftLine and Hidden Vent to suit a more contemporary taste, and SlimLine for a sleek look, best to imitate the appearance of a traditional steel window. Reynaers also has a series of panoramic windows and glazed walls that could be as high as two storeys, and more. For the finishing, you are free to choose from matt or gloss finishes, available in hundreds of colours, and also from the latest textured ones available in metallic and wood-grain finishes. Create bespoke designs by opting for an option to have dual colour tones.

Reynaers CS 77 Aluminium Windows

Concept System 77 is a high performance window system. CS 77 is available in an elaborate range of inward and outward opening windows in a variety of styles, making it a truly versatile system to suit the elevated needs of any house. This excellent performer offers high levels of weather resistance, thermal insulation, security and noise reduction. All parameters, including bullet and fire resistance performance meet the strict European standards. Superior thermal insulation levels are achieved by using hollow chambers and ribs for the fibreglass-reinforced polyamide strips and weather gaskets. The HI+ variant of CS 77 is capable of achieving an impressive Uf value of 1.2W/m2K and another variant is awarded the coveted Swiss Minergie certification.

Features of CS 77:

  • Whole window U-values as low as 0.94 W/m2K
  • Up to 600 Pa air-tightness
  • Up to 900 Pa water-tightness
  • Up to 2000 Pa wind load resistance
  • RC2 and even RC3 security with UK Secured By Design security, PAS 24:2016 or BS7950 depending on window type

CS 77 is available in three different style options:

  • CS 77 Functional offers a clean and minimal look for all architectural styles.
  • CS 77 Softline offers a smooth profile with rounded edges
  • CS 77 Hidden vent offers profiles with vents covered by frames and transoms on the outside.

Reynaers Masterline 8 Aluminium Windows

Masterline 8 is a unique window system with industry leading performance regarding thermal insulation, weather tightness and speed of production. This innovative window system is available in a variety of styles to complement any building style and also match with the architectural trends of contemporary times. Masterline 8 is a high tech window system that features thermal insulation solutions of 3 different levels for high insulation houses, low-energy houses and also passive houses. The different levels and a first in class performance is achieved by employing latest smart mart materials like the use of low-emission foil in the insulation bars of the HI+ variant of Masterline series. The low emission foil reflects and retains heat, eventually improving the insulation value of the window. Masterline 8 allows for an option to fit double or triple glazing with uncompromised thermal insulation. The concepts and designs from the Masterline solutions can be easily paired with other aluminium systems from Reynaers, like the sliding systems - CP 130 and CP 155, curtail wall system CW 50, the Mosquito system and the RB glass balustrade.

Masterline 8 is available in four different style options:

  • Functional design for a straightforward and simple design
  • Renaissance style offer high resemblance to traditional detailing in heritage windows
  • Deco is a unique style for a more contemporary look and feel
  • Hidden Vent design for a minimal and sleek appearance.

Reynaers SlimLine 38 Aluminium Windows

SlimLine 38 is a perfectly harmonious system for inward and outward opening windows. It offers high insulation with unique design by creating a unique combination of comfort, aesthetics, durable material and elevated architectural demands. SlimLine 38 provides with special steel like look, perfectly suited to recreate the styles of traditional UK houses with improved thermal insulation. However, the design works well for both modern new-built and renovation projects. In renovation of steel frame projects, the use of aluminium framed SlimLine solution may upgrade the acoustic and thermal insulation performance. The window can be double or triple glazed without compromising on the sleek appearance.

Features of SlimLine 38:

  • Ultra slim frame
  • Industry leading maximum sizes
  • Double- and triple-glazed options
  • Easy clean egress hinge option
  • Strong and durable
  • Secured by Design accreditation
  • U-value as low as 1.4W/m2K

SlimLine 38 is available in following three styles:

  • Classic
  • Ferro
  • Cubic

Reynaers SlimLine 68 Aluminium Windows 

SlimLine 68 is an outward opening window system with ultra slim frames, has been designed to meet the demands of maximised glazed area for natural daylight in residential properties. With a basic frame depth of 68mm, SlimLine 68 is a perfect substitute for steel framed windows as they fit perfectly within the existing plaster lines. Glazing in various levels of thermal insulation is available from both inside or outside.

Features of SlimLine 68:

  • Huge range of design options
  • Ultra slim frame
  • Double- and triple-glazed options
  • Easy clean egress hinge option
  • Strong and durable
Low maintenance
  • Secured by Design accreditation
  • Window Energy Rating up to A++
  • U-value as low as 1.1W/m2K

Comparing Reynaers Aluminium Windows

 Masterline 8CS 77SlimLine 68SlimLine 38
Design variantFunctional, Renaissance, Deco, Hidden ventFunctional, Softline, Hidden vent, Designed for outward openingClassic, Cubic, Ferro
Overall frame depth77 mm68 mm68 mm99 mm 
Minimum visible frame+vent width 153 mm 
(for inward opening)
150 mm 
(for inward opening)
65 mm
(for outward opening)
101 mm
(for inward opening)
Maximum vent width1400 mm1400 mm1200 mm1250 mm
Maximum vent height3000 mm3000 mm 1500 mm2500 mm 
Air tightnessClass 4 (600 Pa)Class 4 (600 Pa)Class 4 (600 Pa)Class 3 (600 Pa)
Water tightnessE900 (900 Pa)7A (300 Pa)E1200 (1200 Pa)Class 4A (150 Pa)
Wind load resistanceClass 5 (2000 Pa)C2 (800 Pa)Exxx (2000 Pa)E1200 (1200 Pa)
Security level RC2, RC32RC2, RC32PAS 24RC2
Glass thickness4-58 mm4-52 mm26-43 mm16-55 mm
Thermal insulation (Uf) HI: 2,2 W/m²K
HI+: 1,4 W/m²K
2,1 W/m²K1,4 W/m²K1,9 W/m²K