First choice for strength and reliability

System 4S windows and doors offer a perfect combination of form and function and make it possible for you to have affordable quality. This A class system is ideal for reliable and durable windows and provide comfortable living thanks to optimal set of characteristics. 60mm mounting depth and wide glazing will help you to save money for heating of your apartment.

U frame 1,20 W/m²K
  Safety WK1, WK2, WK3
  Gasket contours 2
  Glazing 24-32 mm, 6 mm
  Number of glasses 1-3
  Fittings system 12/20-13

Opening variants

  Blind window
Balcony block
Doors with lock
Outside opening door
Inside opening door