Cortizo COR 70 HV
Cortizo COR 70 Hoja Oculta — aluminium window with concealed sash (visible section 66 mm), concealed ARCH INVISIBLE hardware and drainage system
Brief overview: Not a frame — it’s a window. That’s the best way to describe the COR 70 Hoja Oculta model, which, like the 80 mm version, has a visible cross-section of just 66 mm and allows the installation of the ARCH INVISIBLE handle while concealing the hinges and drainage system.
General information: • Thermal insulation (Uw): ≥ 0.84 W/m²K • Sound insulation (Rw): up to 46 dB • Air permeability: class 4 • Water tightness: up to class 1800 • Wind load resistance: class C5 • Security: PAS24 compliant
Testing: • AEV test: 1.23 × 1.48 m (1 sash) • Security test: 1.10 × 2.40 m (1 sash)
Certification: CSTB laboratory (DTA)
Advantages: • High energy efficiency (Uw up to 0.84 W/m²K) • Effective sound insulation (up to 46 dB) • High airtightness (class 4) • Excellent water tightness • Resistance to heavy wind loads (class C5) • Enhanced security (PAS24 compliant) • Reliability confirmed by CSTB certification
