As an innovative window profile, Reynaers' MasterLine 8 offers numerous configuration options in terms of design, insulation and security. In line with current architectural trends, the aluminium profile can be used to create large window areas that make the best possible use of incident daylight. Additionally, for the MasterLine 8 the manufacturer places great emphasis on an optimised manufacturing process and simplified assembly of the finished individual elements. This not only enables more efficient production but also saves time and money during installation.

Functional design
Functional design
Renaissance design
Renaissance design
Deco design
Deco design
Block design
Block design

The MasterLine 8 at a glance


  • Feasible in 3 different design variants: Functional, Renaissance and Deco
  • Design as block window possible, i.e. ventilation openings covered by outer frame and bolt
  • Available as outward or inward opening window
  • Construction depth: fixed frame 77 mm (Functional) or 87 mm (Renaissance, Deco) / casement frame 87 mm
  • Time and cost efficient production and installation

Energy efficiency

  • Suitable for highly insulated, low-energy and passive houses
  • Available in 3 insulation levels: Standard with Uf-value of 1.9 W/m²K, HI with Uf-value of 1.6 W/m²K and HI+ with Uf-value of 1.2 W/m²K
  • Depending on the frame/casement combination and the filling thickness, a Uf-value of up to 1.0 W/m²K is possible
  • Insulation level HI+ has new low-emission insulating bars that improve the insulation performance through heat reflection and storage


  • High standard safety of resistance class RC 2
  • Optionally upgradeable to RC 3

Tailor-made thermal insulation in three levels

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