cs50

CS50

cs40

cs40

cs37

cs37

Where Smooth Design Meets Strong Performance
The GREFET CS40 Casement System is a modern and cost-effective aluminium window and door solution designed for contemporary residential and high-rise projects. Engineered for durability, clean aesthetics, and smooth functionality, CS40 offers versatile design options suitable for both premium and volume-based developments. With slim aluminium sightlines, multiple opening configurations, and flexible locking options, the system delivers the perfect balance between performance, practicality, and value.

• Casement system designed specially for high-rise and mass housing projects
• Maintaining durability and performance
• Supports glass thickness from 5mm to 24mm for versatile application requirements
• Available with both single locking and multi-point locking options based on project needs
• Engineered for efficient fabrication, faster installation, and large-scale production applications

GLAZING
Minimum

5 mm
Maximum
24 mm
Frame Specifications
Single Frame    40 | 50 mm
Double Frame   50 | 112 mm
Sash                 65 | 80 | 100 mm
Profile thickness
Up to 1.5 mm
Maximum weight per leaf
120 Kg
Permittable dimensions per leaf (W X H)
900 X 2400

Transmittance

  • Uw below 2.0 (W/m k)

*Please consult typology, dimensions & glass
Maximum acoustic insulation

  • Rw = 39 dB

Wind resistance

  • As per BS EN 12210 (Class C5)

Air permeability

  • Test BS EN 1026:2016 (Class 4)

Water tightness

  • Test BS EN 1027:2016 (Class 9A)

Advantages

  • Slim Hinged Design with Modern Aesthetics
  • Versatile Application Across Spaces
  • Flexible Opening Options for Better Ventilation
  • Smooth Operation with Precision Hardware
  • Enhanced Acoustic & Thermal Performance
  • High Structural Strength with Premium Alloy
  • Secure Locking for Everyday Safety

Typology

Opening Possibilities

cs40 typology

*Consult maximum weight and dimensions according to typologies

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