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Perspex Secondary Double Glazing Extrafix

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Our Price:

£2.99 ex.VAT
£3.59 inc.VAT

"Extrafix". A superior glazing extrusion specifically designed for the application of perspex acrylic secondary double glazing.

Extrafix Perspex Acrylic Secondary Double Glazing Profile

As its name suggests, "Extrafix" provides a professional look to secondary double glazing. It is specifically designed for fitting larger panels of 3-4mm thick perpsex acrylic secondary double glazing.


Features and benefits:

  • Please double click on the above images to zoom into the photographs for a more detailed view - it may take a second or two to load.
  • Professional looking perspex secondary double glazing.
  • Slightly more expensive than our Magnafix glazing system, but not a lot.......
  • Extrafix secondary double glazing extrusion is suitable for large perspex acrylic panel sizes.
  • Designed for the use of 3 and 4mm thick acrylic panels 
  • Sold by the linear meter.
  • Extrusion lengths are available up to 2.4meters (approx 8 feet). We are happy to cut to size for you and sell per linear meter.
  • White In colour
  • Tools required. A junior hack saw, small mitre box and a screwdriver
  • Extrafix is a two part extrusion. The smaller part of the extrusion simply clips into the base extrusion and hides the screws that hold the extrusion to the wooden window frame.
  • Extrafix provides for an excellent thermal and acoustic barrier 
  • Please click here for a full datasheet on Extrafix.
  • For a full explanation of our perspex acrylic secondary double glazing system, please click her.

Please call us on 01202 480104 or email of you would like any further help. Please feel free to email us any photo's that you have of the window frame in question - this will help us better understand the situation.


Displays UK provides delivery via own vehicles, Royal Mail and TNT overnight courier service to most towns and cities in the UK including London Brighton Bournemouth Chelmsford Basildon Greater London Swindon Bath Bristol Cardiff Swansea Glasgow Edinburgh Newcastle The Cotswolds Birmingham Liverpool Manchester Kettering Norwich Devon Cornwall Coventry Sunderland etc. A small surcharge will apply when delivering to the Scottish Highlands or UK islands. Please call us for all delivery costs. 


Thank you for taking the time to visit our website. 



I recently purchased your 3mm perspex kit to double glaze the glass panel in my back door.  It is excellent - I now no longer have condensation when I cook.  Great stuff, thanks, yours, Michele. " Michele, Norwich

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