WindowsCORTIZO · Hidden-sash window
COR 70 Hidden Sash
Discreet profile. Complete performance.
A 70 mm frame and 78 mm sash window with glazing up to 63 mm, concealed hardware and drainage, and multiple opening types.
Profile sectionCOR 70 Hidden Sash
Features
Profile section1 / 4
| Thermal value | Uw ≥ 0.76 W/m²K | |
|---|---|---|
| Acoustic insulation | Rw 44 dB | |
| Water tightness | E1800 | |
| Security | RC2 | |
| Air permeability | Class 4 | |
| Burglary resistance | RC2 / PAS 24 |
Values depend on dimensions, glazing and configuration. The final specification requires technical validation before quotation.
Profile dimensions+
| Frame depth | 70 mm | |
|---|---|---|
| Sash depth | 78 mm | |
| Polyamide / thermal break | 32–35 mm | |
| Profile thickness | 1.5 mm |
Glazing and sealing+
| Glazing thickness | 6–55 mm |
|---|
Construction limits+
| Maximum sash weight | 160 kg |
|---|
- 70 mm frame, 78 mm sash
- 6–63 mm glazing
- Sash up to 1,500 × 2,600 mm
- Maximum weight 160 kg
Finishes
Find your finish.
Painted / RAL
Traffic White
RAL 901601 / 10
Indicative palette, not live stock. Confirm the code, texture and compatibility with a physical sample for the selected system.
MAR&PET
Architectural inspiration
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