Alitherm 800 Flush Casement

The high-quality Alitherm 800 Flush Casement window delivers outstanding aesthetics and thermal performance. Delivering an ‘A’ window energy rating and a U-value of just 1.3W/m²K (dependant on the sealed unit used), Alitherm 800 windows are suitable for a wide range of applications, including both residential and light commercial new build and refurbishment projects.
The high-performance Alitherm 800 system offers a range of options, including side-hung, top-hung and the completely new French casement variants, as well as a number of outer frame, sash and bead options.

• Window Energy Rating A
• BRE Green Guide A+
• U Values up to 1.3 W/m²K (depending on system and glass unit)
• Kitemarked – which includes PAS24:2016 security and high
weather performance.