ConceptSystem 77
ConceptSystem 77 is a trusted window solution that has been fully optimised to match all your project needs. This versatile aluminium system offers a complete range of variants and options, at a very competitive price-performance ratio.
Versatile window solution to match any project needs
Well-balanced price-performance-features mix
Reliable windows that last a lifetime




Endless possibilities
Click on the buttons below to explore all variants.
Design
Functional
The standard product offers a Functional design, which means it will fit any building style.
Insulation
High Insulation+
Improve your indoor comfort with this High Insulation system upgrade.
Insulation
Bulletproof
Bulletproof technology helps to save lives in the most perilous situations.
Product options
Personalise ConceptSystem 77 with the following options
Balustrade
Safety can equal beauty
Clip on cover cap
Choose the look that fits your project.
Concealed Drainage
No more plastic cover caps, enjoy those clean lines
Concealed Hinges
The details are the design, concealed hinges are the finishing touch
Flyscreen
Enjoy cool summer evenings, without losing sleep
Glass Corner
Glass to glass connection without profiles obstructing the view
Motorised
Comfortable to use, even remotely
The available options depend on size, profile combinations, hardware and infill choices. Please contact your Reynaers Aluminium representative.
Endless possibilities
Thermal Insulation
High
Uf = 1.8 W/m²K
Uw = 1.3 W/m²K
Air-Water-Wind
High
4 / E900 / C5
Acoustics
Medium
Rw(C;Ctr) = 42(-2; -4) dB
System Dimensions
Min. Frame-Vent Width 89 mm
Depth Frame 68 mm
System limitation
Max. Height Vent – 2800 mm
Max. Weight Vent – 170 kg
Performance
Insulation
Thermal insulation (Best) - Uf
1.8 W/m²K
Uw Dependencies
Frame-vent: Ug 1.0W/m²K, warm edge spacer, @1.23x1.48m (102mm sight line), 36mm glass
Thermal insulation - Uw
1.3 W/m²K
Comfort
Air tightness
Class 4 (600Pa)
Water tightness
Class E900 (900Pa)
Wind load resistance
Class C5 (2000Pa)
Acoustics - Rw(C;Ctr)
42(-2; -4) dB
Durability
Class 3 (20000 cycles)
Safety & Security
Burglar resistance
PAS 24 - RC2 - RC3
Fire resistance
EI₁ 30 - EI₂ 30 - EI₂ 60 - EW 30
Bullet resistance
FB4 - FSG - Kalashnikov
* Performances and properties depend on size, profile combinations, hardware and infill choices. Please contact your Reynaers Aluminium representative.
Properties
Max. dimensions & weight
Min. height of vent
600 mm
Max. height of vent
2800 mm
Min. width of vent
450 mm
Max. width of vent
1200 mm
Max. weight of vent
170 kg
Sightlines
Min. frame width (inward opening)
51 mm
Min. vent width (inward opening)
33 mm
Min. frame-vent width (inward opening)
89 mm
Min. frame width (outward opening)
17.5 mm
Min. vent width (outward opening)
76 mm
Min. frame-vent width (outward opening)
93.5 mm
Min. width transom profile
76 mm
Depth frame
68 mm
Depth Vent
77 mm
Depth frame-vent
77 mm
Glazing
Rebate height
25 mm
Glazing method
Dry glazing - Siliconized glazing - Internal glazing - External glazing - Glazing bead
Min. glass thickness - frame/element
4 mm
Max. glass thickness - frame/element
52 mm
Min. glass thickness - vent
4 mm
Max. glass thickness - vent
63 mm
Labels & Certifications
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