Alitherm 600

The Alitherm range of windows offers all you would expect from a quality system – Greater comfort, better insulation, minimal maintenance, aesthetically pleasing appearance and enhanced security. In short, the Alitherm product range offers you peace of mind but even more it represents a sound investment in your property.


All general light use applications.


  • An enhanced system designed to comply with the revisions to the Building Regulations Document L 2010
  • System can achieve Window Energy ‘B’ Rating
  • Profiles feature an extended polyamide thermal break to enhance thermal performance
  • Fabrication is by method of crimped or mechanical corners
  • Ovolo, chamfered or square profiles

Technical Specifications

Product CategoryWindow
Product Sub CategoryCasement
U Value (W/m2K)1.6
Doc L 2010Yes
Air (pa)600
Water (pa)750
Wind (pa)2000