Description
Hinged system with 70 mm frame depth and a maximum glazing capacity of 42 mm. The 5 internal chambers in both frame and sash provide excellent energy efficiency, achieving a Uw value from 0.9 W/m²K. Available with straight, chamfered or curved sash designs. Optional centred handle.
FEATURES
- Thermal transmittance – Uw ≥ 0.9 (W/m²K)
- Acoustic insulation – Rw up to 46 dB
- Air permeability – Class 4
- Water tightness – Class E1800
- Wind resistance – Class C5
- Reference test AEV 1.23 x 1.48 m / 2 sashes
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