Glazed Screen

Alu-Timber composite glazed screen system consists of a range of mullion and transoms, designed to provide framing up to 4000 mm high at 1000 mm centres. The frames comprise of internal timber frames, manufactured from Larch as standard but available in a range of timber species, bonded to external aluminium profiles, with a flexible seal between the timber and aluminium framing sections.

Performance Standards:

  • The Alu-Timber range has exceeded the requirements of BS 6375, achieving 600 Pa for air, 500 Pa for water, and wind resistance to 2400 Pa.
  • Wind loadings and calculations are undertaken to BS 6399 and CWCT standards.

General information

Uniclass 2015

Pr_30_59_99_15 Composite window wallsPrimary


L10/560 Glazed screen system

Specification data - Composite window walls

Product Reference

Glazed Screen

Internal framing






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External framing/ Cover cap

Black anodized aluminium

Bronze anodized aluminium

Silver anodized aluminium

Liquid organic coated

Polyester powder coated, colour

Finishes are available in all RAL, Syntha Pulvin and BS colours.

As drawing ___

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Double glazed

Triple glazed

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24 mm

28 mm

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Standard product features


  • Coated with three coats of lacquer.
  • Glue laminated and finger jointed in profile lengths, glues and adhesives comply with BS EN 204 Category D4.
  • Produced from sustainable, managed forests.


Extruded from EPDM rubber.


  • All glazing shall comply with the requirements of BS 6375 and BS 6262: 1982, British Standard Code of Practice for Glazing in Buildings.
  • Glazing beads and gaskets allow for glazing of 28 mm units.
  • Depending on the configuration, glazing beads are fitted internally or externally.
  • Profiles have drainage slots in the glazed recess and rebated areas to ensure ventilation and drainage of the rebates as well as providing a water barrier.
  • Where specified, hermetically sealed double glazed units shall comply with the requirement of BS 5713: 1979.

Product Options

External framing/ Cover cap:

Extruded aluminium profiles are of aluminium alloy 6063 T5, T6 to BS EN 12020 and BS EN 755-1: 1997.

  • Alu-Timber aluminium finishes are available in all RAL, Syntha Pulvin and BS colours.
  • Silver, bronze and black anodizing AA 25 to BS EN 12373-1: 2001 or BS 3987.
  • Liquid organic coating to BS 4842: 1984.
  • Polyester powder coating to BS 6496: 1984. Polyester powder coated profiles are to a minimum of 60 microns.