Description
System specially suited for buildings in high-noise areas. This thermal‑break window with a double concealed sash (122 mm), quadruple gasket and 4 panes achieves sound reduction up to 50 dB.
FEATURES
- Thermal transmittance – Uw ≥ 1.2 (W/m²K)
- Acoustic insulation – Rw up to 50 dB
- Air permeability – Class 4
- Watertightness – Class E1650
- Wind resistance – Class C5
- Reference AEV test 1.23 × 1.48 m / 1 sash
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