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 dutyinsulated hinged frames with high security level. The system is characterized by excellent performances regarding thermal insulationwatertightness and sound reduction as well as by flexibility and ease of fabrication. It meets perfectly the high quality standards of developed markets.

  • Frame profiles 91 mm width
  • High thermal insulation value Uf ≥ 0.67 W/m2K thanks to the use of glass reinforced polyamides 54 mm width in both frame and sash profiles, PE insulation foam, kooltherm bars and central gasket that consists of a combination of EPDM and foaming material
  • 3 levels of water tightness with EPDM gaskets
  • Higher waterproofing level due to co-extruded central gasket applied
  • Available sash for steel mechanism 16mm Groove and for European Groove mechanism
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