Lift-and-slide terrace system
CORTIZO COR VISION
The beauty of minimalism.
COR VISION is a minimalist aluminium sliding system with a thermal break, designed for maximum daylight and a barely visible structure. The aluminium vertical mullion is only 20 mm wide and can be concealed in the frame, allowing the glazed areas to remain the defining architectural feature.
Request a quote
1.3Uw W/(m²K)*
41 dBSound insulation
116 / 182 mmInstallation depth
26–30 mmGlazing units
Key features
A system designed for everyday comfort
- ✓Visible vertical mullion only 20 mm wide
- ✓Thermally broken aluminium profiles
- ✓Option to conceal the mullion in the frame
- ✓Large glazed areas with minimalist aesthetics
Window cross-section

Technical data
CORTIZO COR VISION specification table
| System type | Minimalist thermally broken aluminium sliding system |
|---|---|
| Thermal transmittance | Uw = 1.3 W/(m²K)* |
| Sound insulation | Up to 41 dB |
| Installation depth | 116 or 182 mm |
| Glazing unit thickness | 26–30 mm |
| Visible vertical section | Only 20 mm; can be concealed in the frame |
| Design purpose | Large glazed areas and maximum natural daylight |
| Glazing solutions | Safety, anti-burglary, solar-control, enhanced acoustic, tempered, ornamental and sandblasted glass options |
| Glazing spacer | Galvanised steel as standard; Swisspacer Ultimate available as an option |
* Actual Uw and acoustic performance depend on structure dimensions, glazing and the selected configuration.
Let’s start with a conversation
Looking for windows or need a quote?
Contact us and we will help you choose the right solution for your project.