Slim Façade, Strong Performance
GREFET GCW3500 is a next-generation aluminium curtain wall system focused on achieving sleek façades with high structural performance. At just 35mm sightline it increases glass area, daylight and design modernity. Engineered for durability, it provides 80mm and120mm mullion depths ideal for mid-rise and high-rise applications. GCW 3500 - designed for aluminium façade systems for commercial buildings provides an optimal energy efficiency, wind load and stability. It’s a performance curtain wall system for the architect who wants elegant design with dependable engineering.
• Ultra-slim curtain wall system with only 35mm visible front face for a clean and premium façade appearance
• Designed specially to support modern architectural aesthetics with sleek and minimal sightlines
• Value-for-money solution offering an ideal balance of performance, design, and project economy
• Available in multiple mullion depth options to suit different structural and design requirements
• Suitable for commercial buildings, offices, malls, and modern front façade applications
• Engineered for clean elevation lines, enhanced natural light, and contemporary glass façade design
Minimum
6 mm
Maximum
32 mm
Possible Typology
1, 2, 3, 4, 6 Leaf
Frame Width
Monorail 97 mm / 45 mm
2 track 101 mm / 48 mm
3 track 162 mm / 48 mm
SASH
47 mm
Maximum weight per leaf
250 Kg
Central interlocking
30 mm
Multi-locking system with key option
Yes
Permittable dimensions per leaf (W X H)
1525 mm × 3350 mm
Transmittance
Uw from 3.2 (W/m2k)*
- Please consult typology, dimensions & glass
Maximum acoustic insulation
Rw = 37 dB
Wind resistance
2700Pa, EN 13116
Air permeability
Class A1, EN 12152
Water tightness
Class RE 1050, EN 12154
Advantages
- Ultra-Slim Sightline for Modern Façades
- Thermal & Non-Thermal System Flexibility
- Enhanced Energy Efficiency
- Optimized for Double Glazing (DGU)
- Superior Air & Water Tightness
- Adaptable for Multiple Project Scales
- Balanced Performance & Cost Efficiency
Typology
Opening Possibilities
*Consult maximum weight and dimensions according to typologies
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