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Alumil Supreme S91

The S91 system belongs to Alumil “Supreme” systems and has been specially designed in order to meet the high requirements of passive houses. It is ideal for heavy duty, insulated hinged frames with high security level. The system is characterized by excellent performances regarding thermal insulation,watertightness and sound reduction as well as by flexibility and ease of fabrication. It meets perfectly the high quality standards of developed markets.

  • Certified by the Passive House Institute (PHI), according to the specifications of the passive houses.
  • Remarkable level of thermal insulation with Uw=0,79 W/m2K, for window dimensions 1,23 x 1,48 m and Ug=0,7 W/m2K, certified by Passive House Institute.
  • Visible aluminium face width (frame – sash height) only 93 mm.
  • Maximum watertightness with 3 levels of EPDM gaskets and double-extrusion central gasket.


Frame depth
91 mm
Sash depth
99 mm
Minimum visible width
93 mm
Minimum visible width (Τ-profile)
76 mm
Sash mechanism weight limit
up to 130 Kg
Glass thickness
28 up to 78 mm
Cross section thickness
1,5 up to 2,5 mm
Type of system
Uf 0,67 W/m2K
Exterior aesthetics
Glazing method
3 levels with EPDM gaskets
Type of thermal insulation
  • Polyamides 54 mm width,
  • Kooltherm,
  • PE insulation foam
Mechanism European Groove,
PVC Groove,
Steel mechanism 16mm Groove
For all typologies of windows
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