Stellar Flush & Fully Flush Casement Window

Market-leading slim sightlines.

Product Features

  • U-values as low as 0.95 W/m²K
  • Energy rating of band A with double glazing
  • Up to 12% more glass area than a comparable window
  • Multi-Chambered thermal inserts to maximise energy performance and achieve new 2022 Part L legislation
  • Flat rebates for easy-fit glazing packers
  • Patented reverse butt joint option
  • Secured By Design approved
  • PAS 24 as standard


The Stellar Aluminium Flush window system provides the very latest in aluminium system design, incorporating our patented ‘knock-in’ bead and pre-inserted gaskets for quicker fabrication and installation.

The Stellar window system also benefits from our unique ‘reverse butt joint’ transom and mullion options which further reduce sightlines and maximise glass area. This also adds benefit to achieving lower Part L requirements. As always, the Stellar system is available with a range of ancillaries and the colour options are virtually endless.

The Stellar Fully flush Casement Window has been designed to make the most of Stellar ultra-slim styling. As the Flush Casement option, hardware has been carefully selected. In addition to reliability and durability, every component contributes to the high level of security.

Product Case Study

Friday 1st July

Spectus windows and doors specified for an exclusive ne...

Tuesday 14th June

Optima windows and doors specified for townhouse develo...

Thursday 24th February

Profile 22 products fitted in Harrogate new build devel...


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