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Frame depth: 74 mm
Number of chambers: 6 chambers (sash) / 6 chambers (frame)
Thermal resistance: up to Uw = 0,78 W/m²K
Sound proofing: sound proofing up to Rw (C; Ctr) = 47 (-1; -4) dB
Air tightness: class 4
Water tightness: up to class 9A
Opening direction: tilt/turn inwards; the opposite side of windows with mullion can be locked with a hidden latch
Base profile: 30 mm
Frame depth: 82,5 mm
Number of chambers: 6 chambers (sash), 6 chambers (frame)
Thermal resistance: up to Uw = 0,73 W/m²K
Sound proofing: up to Rw (C; Ctr) = 48 (-1; -4) dB
Air tightness: class 4
Water tightness: up to class 9A
Opening direction: tilt/turn inwards; the opposite side of windows with mullion can be locked with a hidden latch
Base profile: 30 mm