Home > Companies > Selectaglaze Ltd > Series 42 Fixed Light

Heavy duty/ security fixed light (FL) secondary glazing, which accepts thicker glass for higher noise insulation. The systems can be shaped and curved to a full circle if required.

Fitted with perimeter mastic seals that will almost eliminate drafts and ensure greater comfort near the window.

Generally used in combination with other products as over lights or side lights, and particularly useful for arched windows. It can be used within partition walls as observation windows for laboratories, control rooms, clean rooms and recording studios. Neat cover channels conceal the fixings.


  • Blast tested to ISO 16933 Classification code EXV 25.
  • Secured by Design accredited.
  • Tested in accordance with BS EN ISO 140-3: 1995 for acoustic performance.

Standard product features


- Material:

Extruded aluminium alloy 6063-T6.

- Style:




  • Sash, minimum (h x w): 300 x 300 mm.
  • Sash, maximum (h x w): 3000 x 2000 mm.
  • Curved head or jamb minimum radius: 400 mm.

Thermal performance:

Values of <2.9 W/m²K available; consult manufacturer for details.

NBS Specification

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This product is associated with the following NBS Create clause:
45-25-99/310 Aluminium window units

NBS Specification

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This product is associated with the following NBS clauses:

Product specification

An important note about specifying



Selectaglaze Ltd


+44 (0)1727 837271

Product reference

Series 42 heavy duty/ security fixed light (FL)


As primary window designs/ sightlines


[As drawing]
Insert details.
[As schedule]
Insert details.

Acoustic performance

[ ______ ]

Thermal performance

[ ______ ]

Security rating

[Not required]
[LPS 1175 SR1]
[LPS 1175 SR2]


 - Finish:
[Anodizing, Analok bronze AA25]
[Anodizing, Analok silver AA10]
[Polyester powder-coating, HIPCA 9910 semi-gloss white]
[Polyester powder-coating, RAL]
Insert RAL colour.
[Wood grain effect]
 - Gloss level:
[Not required]
[High gloss]


 - Type:
[Acoustic laminated]
[Laminated safety]
[Laminated with opaque layers]
[Low-E coated]
 - Thickness:
[6 mm]
[6.4 mm]
[6.8 mm]
[7.5 mm]
[8 mm]
[8.8 mm]
[9.5 mm]
[10 mm]
[10.8 mm]
[11.3 mm]
[11.5 mm]
[12 mm]
[12.04 mm]



Trickle ventilators

[Not required]
[Over the frame acoustic ventilator]
[Over the frame standard ventilator]

Acoustic reveal linings

[Not required]
[Vinyl faced acoustic foam]

Manufacturer details

Alban Park,
Hatfield Road,
St Albans,
Hertfordshire, AL4 0JJ
Tel +44 (0)1727 837271
Fax +44 (0)1727 844053
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