ELVIAL W59.SI2 (4600 i2)


High insulation thermal break window system, with total face width of 101mm. The casement features an additional thermal insulation zone, with a foam core of i2 technology that magnifies the isothermal curves at the casement’s profile and minimises heat transfer..



  • Frame profile depth: 58.6 mm
  • Frame face width: 55 mm
  • Maximum glass thickness: 34 mm
  • Sheet profile depth: 67.2 mm
  • Sheet face width: 75 mm

  • High thermal insulation performance thanks to the application of 24mm glass reinforced polyamide bars
  • Mechanism: GU mechanism, Unijet type (sheet max. weight 130kg) and basic security category
  • EPDM sealing gaskets
  • Profiles have straight form
  • Charge groups in accordance with DIN EN 12207/12208/12210


  • Thermal Insulation: Uf 1,8 – 2,4 W/ m2K
  • Soundproofing up to Rw=36 in accordance with DIN EN ISO 1403
  • Burglar resistance up to RC2 in accordance with DIN V ENV 1627
  • Air permeability in accordance with DIN EN 12207 Class: 4
  • Water permeability in accordance with DIN EN 12208 Class: 9Α
  • Wind pressure resistance in accordance with DIN EN 12210 Class: C4 / B4
  • Mechanical strength in accordance with DIN EN 13115 Class: 0