Green City Library Help

To1957

Basics:

Energetic standard of installed windows compared to German situation between 1949 and 1957:

  • Record ID: 3

  • End of time frame: 1957

  • U-Value:

    • Wooden window frames, single glazed: 5.0 W/(m2*K)

    • Wooden window frames, double glazed: 2.7 W/(m2*K)

    • Plastic frames: 3.0 W/(m2*K)

    • Aluminium/steel frames: 4.3 W/(m2*K)

  • g-Value:

    • Wooden window frames, single glazed: 0.87

    • Wooden window frames, double glazed: 0.75

    • Plastic frames: 0.75

    • Aluminium/steel frames: 0.75

26 September 2025