Features and Usage


All general light/medium use applications including commercial and residential.


  • Highest thermal performance window suitable for all general use applications
  • Will achieve U Values under 1.6w/m²K when used in conjunction with correct double glazed sealed unit
  • Alitherm 800 windows achieve a Window Energy ‘A’ Rating
  • Extended chambered polyamide thermal breaks provide excellent thermal performance
  • British Standard Kitemarked system KM 81580, KM 81543
  • Available in single or dual colour, polyester powder coat as standard.


  • Frame Depth: 70mm
  • Glass (double/triple glazed)
  • SH Max o/a Width 700mm
  • SH Max o/a Height 1400mm
  • TH Max o/a Width 1400mm
  • TH Max o/a Height 1300mm

Benefits and Options

Window Energy Rating (WER) A

Water Class E, 1050PA

1.3W/M2K using correct sealed unit

Wind Class A5, 2000PA

Document L Compliant

British Standard BS7950

PAS: 24:2012

Air Class 3, 600PA

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Request A Quote

Please Note: When ordering / requesting quotations from Nova Aluminium systems, all drawings / sketches provided are based on an external view. All sizes given are to be Manufacture sizes (To long leg for any odd leg frames) and must be inclusive of any cills or add-ons required. Prices provided by Nova are for supply only, and all products are unglazed unless otherwise stated. If there are any queries, please state on this form or speak to a member of the sales team.
Click or drag a file to this area to upload.
If you have a sketch of your requirements please upload here (max file size 5mb, accepted files: jpegs, pngs, pdfs and word docs)
(Width x Height (Millimetres))


System Options