In-out opening Aru SV-3.2

The inward- and outward-opening double-frame wooden windows Aru SV-3.2 feature 4 mm glass in the outer frame and a triple-glazed unit in the inner frame.

The Aru SV-3.2 window type is widely used in renovation projects and in new buildings located in heritage or environmentally valuable areas, where energy efficiency, sound insulation, and convenient fixing of the window in an open position using a handle-operated friction brake are important. The window can be opened side-hung or bottom-hung.

Glazing bars:
Outer frame: through glazing bars or surface-mounted wooden bars
Inner frame: surface-mounted wooden bars only

In-out opening Aru SV-3.2

Technical information

Download the product sheet here

  • Opening direction: outer sash outward, inner sash inward

  • Frame depth: 170 mm (up to 220 mm on special order)

  • Profile: Modern

  • Thermal transmittance: Uw ˂1W/m²K

  • Outer frame: 4mm clear glass

    Inner frame: triple glazing with one low-emissivity coatings

  • Glazing unit thickness: 48 mm

  • Air permeability: Class 4

  • Resistance to wind load: C5

  • Watertightness: E1050

  • Sound insulation: Rw (C;Ctr) 39 (0;-2) dB

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