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New York showroom:

718-821-2188  alt: 718-821-2203

New Jersey showroom:


New York showroom:

New Jersey showroom:


Liberty Windoors - AlphaLine

 AlphaLine 90


VEKA Alphaline profiling system is the first system profiles with 90mm mounting depth. This is a 6-cell system with improved thermal insulation. Classic design and good thermal insulation properties make the system available so far ahead of other solutions. In addition, to further boost the resistance ,thermal system has a system of three seals which effectively protects against cold, moisture, uncontrolled movement of air. Another advantage is its Alphaline technical compatibility with the systems VEKA 70mm mounting depth. This system is a solution for really demanding, which place the first energy savings, aesthetics, and modernity.


  • 90-mm system with 6-chamber geometry

  • Pane thickness: the deep glazing rebate allows a glazing thickness of between 24 and 50 mm for sash and outer frame

  • Best thermal insulation of up to Uw = 0.8 W/m2K, depending on the type of glazing, significantly reduces heating costs

  • Wall thickness in highest quality group: RAL Class A (DIN EN 12608, Class A) 

  • High-quality gaskets in grey or black – the three-layer center seal system reliably keeps cold, draughts and damp at bay

  • Galvanised metal reinforcement in accordance with VEKA reinforcement guidelines guarantee stability and long-lasting functionality

  • Elegant, slightly rounded edges , Visible surface: 118 mm

  • Hardware in accordance with DIN 18357: Compatible with system-tested, quality assured hardware

  • Accessories: Mounting profiles, extensions, window sill connections, wall connections, couplings, additional reinforcements



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