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Traditional Hinged Units Secondary Glazing

Traditional Hinged Units Secondary Glazing

Our most discreet secondary glazing product, with 72mm sight lines and no transoms or mullions. The unit featur es single handle operation and multi-point locking. Side and base opening is also available.

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Download our Measuring Guide Hinged Units
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The Product...


  • Slim, unobtrusive aluminium profile
  • Easy opening due to internal gearing
  • Multi-point locking for enhanced security
  • Improved noise and thermal installation
  • Suitable for shaped applications
  • Suitable to have bevelled timber subframe to fix into bays /splayed reveals
  • Can be coupled or stacked with other units in the range to treat large areas of glazing or long runs of windows
  • Can be supplied with restrictors

Variations of Basic Unit

  • Various handle options (locking Espag as standard)
  • Egress as standard
  • Standard and acoustic trickle vents are available
  • No subframe version available
  • Can be coupled and stacked using a heavy duty frame coupling section or timber to timber
  • LH, RH, top or bottom orientation
  • Variety of stock colours available, including all RAL options
  • Can accept flyscreen mesh

Traditional Hinged Units Secondary Glazing

The Technical Information...


  • Glazing options: 4mm - 6.8mm
  • Choice of timber subframes
  • Pre-drilled and countersunk to suit either face fix or reveal fix
  • Q-Lon seal to front, Woolpile seal to back
  • Gasket colour option of black or white
  • PVCu trims supplied for the face of the units to create a neat, clean finish
  • Standard colour white high gloss - RAL 9910

Optimum Noise Reduction: TBC (Rw) Using 6.4mm acoustic laminate glazing, with 200mm glass-to-glass

Optimum U Value: 1.868 W/m2K Using 4mm toughened Low E glazing, with 80mm glass-to-glass

Traditional HU
Configuration Based on 4mm Glass Hinged Unit Technical Drawing
Max width: 950mm
or Max height 2,100mm

Download the technical drawings for Traditional Hinged Units Secondary Glazing

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