ES 50

ES 50

Eco System 50 window

Simply smart

Eco System® 50 is a well-insulated system for inward and outward opening windows, that combines aesthetic design and energy efficiency with a moderate price. The system’s limited built-in depth allows its application in many constructions, even with reduced wall thicknesses.
Design wise, ES 50 offers, next to the functional design frames, special block profiles resembling wooden frames. The use of invisible fittings results in an even more elegant look, since hinges are no longer in sight. In addition, ES 50 can comply with burglar resistance class 2, offering a safe and secure solution both for residential constructions and utility buildings.

Technical information


Min. Visible width frame: inward opening48 mm 
Min. Visible width vent: inward opening30 mm 
Min. Visible width frame-vent: inward opening86 mm 
Min. Visible width frame: outward opening21 mm 
Min. Visible width frame-vent: outward opening99.5 mm 
Min. Visible width T-profile70 mm 
Max. height vent2200 mm 
Max. width vent800 mm 
Max. weight element120 kg 
Overall system depth frame50 mm 
Overall system depth vent59 mm 
Rebate height22 mm 
Min. Glass thickness12 mm 
Max. Glass thickness32 mm 
Min. Glass thickness vent4 mm 
Max. Glass thickness vent32 mm 


Air tightness max. test pressure4 (600 Pa)
Water tightness9A (600 Pa)
Wind load resistanceC4 (1600 Pa)
Acoustic performanceRw(C;Ctr) = 38(-1;-3) dB
Burglar resistanceWK2
Thermal insulation (Uf)2,3 W/m²K

Opening elements

  • Fixed WindowFixed Window
  • Inward opening combined elementsInward opening combined elements
  • Inward Opening Double CasementInward Opening Double Casement
  • Inward Opening Third VentInward Opening Third Vent
  • Inward Opening TiltInward Opening Tilt
  • Inward Opening Tilt TurnInward Opening Tilt Turn
  • Inward Opening TurnInward Opening Turn
  • Inward Opening Turn TiltInward Opening Turn Tilt
  • Outward Opening Combined ElementsOutward Opening Combined Elements
  • Outward Opening Double CasementOutward Opening Double Casement
  • Outward Opening Top HungOutward Opening Top Hung
  • Outward Opening Top Hung With Friction StaysOutward Opening Top Hung With Friction Stays
  • Outward Opening TurnOutward Opening Turn
  • Outward Opening Turn With Friction StaysOutward Opening Turn With Friction Stays
  • Round Window FixedRound Window Fixed
  • Round Window Horizontal OpeningRound Window Horizontal Opening
  • Round Window Vertical OpeningRound Window Vertical Opening
  • Thermo FrontThermo Front
  • Thermo Front Double CasementThermo Front Double Casement