Alitherm 600

Alitherm 600 aluminium casement windows comply with the latest requirements of the Building Regulations Doc L.

Ideal for all general use applications, Alitherm 600 profiles have achieved a ‘B’ rating for Window Energy Rating.

All Alitherm 600 windows feature an extended Polyamide thermal break as standard.

Alitherm 600 windows are manufactured in ovollo, chamfered or square profiles, in single or dual colours.




  • The system is suitable for both internally or externally beaded, side or top hung open out windows

  • Document L compliant

  • System can achieve Window Energy 'A' Rating

  • British standard kitemarked system

  • Tested to BS7950 & PAS24

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Five Elements Aluminium Windows and Doors

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