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Berkeley Series

The Berkeley Window was originally created in order to replace existing 1920s and 1930s steel windows that were predominantly single pane leaded glass, exterior putty glazed. For the Berkeley window, Crittall developed an entirely new series of hot rolled sections where a solid steel chamfer replicates exterior putty glazing, whilst the interior glazing improves access for reglazing and security.

Berkeley offers an ideal solution for both replacement projects and new construction where minimum sightlines, maximum daylight, and fine detail are desired. The system is suitable for high-end residential, institutional and commercial applications.


  • High performance
  • Unique articulated frame and sash
  • Hot-dip galvanized
  • Factory-applied Duralife polyester powder coat finish
  • Double integral EPDM weather-stripping
  • Glazing up to 18mm.
  • Has a solid steel chamfer that replicates a putty glazing exterior.
  • Ideal for traditional refurbishment projects.
  • Registered design.

Contact Us

To learn more about Steel Windows & Doors and our entire product line, please contact us directly.

Materials and Finishes

All Crittall windows and doors are hot-dip galvanized after manufacture to ASTM A 123 (BS EN ISO 1461:1999). Because they are entirely immersed in molten zinc, the windows and doors are completely protected against corrosion.

  • Crittall Galvanzied

    Hot Dipped Galvanized Steel

    The hot- dip galvanizing process provides corrosion protection to mild steel components by coating and chemically bonding pure zinc to the steel substrate. To learn more about

    Learn More

  • Ral Colors

    Colors Available

    Crittall products are powder coated and then painted in a wide range of available colors. Click the link to the right to see all of the color options available.

    Learn More


  1. Sliding Stay
  2. Non Projecting Self Aligning Hinge
  3. Filigree Handle Plate - Two position night ventilation handle

Alternative hardware can be accommodated by all ranges - consult us for details



Sound insulation of weather stripped windows/doors (approximate values averaged over a frequency range of 100 to 3150Hz).

Type of Glass Sound Insulation (dB)
Single Glass 20 - 28
Double Glass 28 - 30
Secondary windows and cavity of 200mm 35 - 40


Type of opening light Exposure Category (Pa) Air Permeability: Not more than 16m3/h/m joint, at (Pa) Water Tightness: No leakage, at (Pa) Wind Resistance: No damage and only permissible deflection, at (Pa)
Side Hung Open Out 2800 300 300 2800
Top Hung Open Out 2000 300 300 2000
Side Hung Open In 1200 300 100 1200*
Bottom Hung Open In 1200 300 100 1200*

*A higher wind resistance can be achieved.

Related Documents

Word Berkley range NBS (53 KB) Click here to download

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