IV68 New Line

The New Line system is our latest profile with 68 mm construction depth. New Line is the only profile on the market with a thickness of 68 mm which is equipped with three gaskets.

The New Line offers high tightness with very good thermal performance and new design of aluminium water drip.

The fashionable design, sharp edges and sturdy construction, are additional benefits of the New Line profile.





  • Construction
  • Single-frame, frame and sash cross-section: 68 x 81 mm. If technically possible, we can provide any shape and size of the window.
  • Material
  • Three-layer laminated timber fixed or finger-jointed. Wood types: pine, meranti, oak.
  • Sound insulation
  • Sound reduction coefficient for the standard unit Rw = 31 dB. Optional glazing unit with improved sound reduction for Rw = 34-42 dB, depending on a selected glazing unit.
  • Heat permeability
  • The heat transfer coefficient for the tested window  w:1230 x h:1480  Uw = 1.3 W / m2K
  • Glazing
  • Double-glazing, single-chamber (4-18Ar-4), 26 mm unit, the heat transfer coefficient Ug = 1.0 W / m2K  (BS EN-674), inter-pane cavity filled with argon. Triple-glazing, twin-chamber (4-10Ar-4-10Ar-4), 32 mm unit, the heat transfer coefficient Ug = 0.8 W / m2K (EN-PN 674), inter-pane cavity filled with argon.Triple-glazing, twin-chamber (4-10Kr-4-10Kr-4), 32mm unit, the heat transfer coefficient Ug = 0.6 W / m2K (EN-PN 674), inter-pane cavity filled with krypton. Ornamental glass, optionally with safety or laminated glass or sun reflective glazing. The maximum thickness of the double glazed unit is:
    – 32mm (IV 68Classic, IV 68Softline).
    – 26mm (IV 68 profile decorative).Aluminum Spacer as a standard. Warm edge spacer as an option.
  • Window astragals
  • Vienna (glued on wooden + duplex inner pane spacer: 22, 32, 42mm), inter-pane, construction bar : 60mm or 80mm.
  • Fittings
  • Roto NT locking fittings with micro-ventilation and anti-burglary catch.Wrong handle position blockade – option.Anti-burglary fittings – option.
  • How to open
  • R (side hung windows), U (tilt windows), RU (tilt & turn windows).
  • Colour
  • Transparent paints according to Sigma Coatings colour chart.Opaque paints according to RAL and NCS colour charts.4 coating system, impregnation, primer, interlayer, topcoat.
  • Gaskets
  • Undercut, press-in, with TPE closed profile byDeventer or Primo. Gasket colors matched to the color of woodwork.
    Softline – 2 rebate gasket – option.
  • Drip
  • Aluminum drip, frames and sash by BUG.
    White, silver, olive, and graphite anodized Alutechnik.
    AL coloured drip – option.
    Wood-coated drip – option.
  • Silicone
  • Silikon Wacker lub Perennator, colours: transparent, white, light brown, dark brown, black.
  • Handles
  • Hoppe Secustic Atlanta handle in white, silver, olive.
    Key-lockable handle in colors as above – option.
    Handle with a button in colors as above – option.
  • Warranty
  • Uni Windows Ltd. offers a 5-year warranty on labour and materials used.

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