
COR 70 OC Semi-visible
The semi-visible sash version of the COR 70 OC system expands the aesthetic possibilities of this monoblock-frame series, available in butt-joint or mitred cut.
Semi-visible sash system with monoblock frame
COR 70 OC Semi-visible keeps the installation advantages of the monoblock frame and adds a semi-visible sash aesthetic, allowing the appearance of the opening to be adapted to projects with greater visual requirements.
- Thermal transmittance
- Uw ≥ 0.9 W/m²K
- Acoustic insulation
- Rw up to 44 dB
- Air permeability
- Class 4
- Water tightness
- Class E1800
- Wind resistance
- Class C5
System technical information
Main data
- Sections
- Frame 70 - 232 mm · Sash 70 mm
- Polyamide strip length
- 32 - 35 mm
- Profile thickness
- Window 1.5 mm
- Glazing
- Max. 55 mm · Min. 15 mm
- Max. sash dimensions
- Width 1000 mm · Height 1700 mm
- Max. sash weight
- 160 kg
- Note
- Check maximum weight and dimensions according to typology
Options
Opening options

System gallery
Images prepared to show the semi-visible aesthetic, the monoblock frame, the system sections and its integration into residential projects.



Compare this system with what you need to improve
Before choosing a window, it helps to relate the system to the real use of the home: thermal insulation, outside noise, air leakage, watertightness, orientation and opening type.
Connect this system with your project
Review selection criteria, related solutions and real projects before comparing performance and requesting a quote.
Would you like to assess COR 70 OC Semi-visible for your home?
Request a quote and we will help you analyse whether this system meets your needs for installation, design, insulation and comfort.



