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Berkeley Range

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Versatility In Replication And New Build

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.

Range Features

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

Fittings Range

Berkeley fittings
  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 Crittall for details

Acoustic Properties

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

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

Steel Performance
Type of opening light  Exposure Catagory (Pa)   Air Permeability: Not more than 16m3/h/m joint, at (Pa)  Water Tightness: No leakage, at (Pa)  Wind Resistance: No damage and only permissable 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
[icon] - Microsoft Word Berkley range NBS (53 KB) Click here to download
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Window products bearing the trademark or tradename "Hope's" which are manufactured or sold by Crittall Windows Ltd. are not available in the United States or Canada

Company registration number: 200794

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