Alitherm 600



Thermal aluminium casement windows designed to comply with the latest requirements of the Building Regulations Document L.

Product Information


  • All general use applications  

System Features

  • An enhanced system designed to comply with the revisions to the Building Regulations Document L 2010 
  • System can achieve WER B Rating 
  • Profiles feature an extended polyamide thermal break
  • Ovollo, chamfered or square profiles


  • Single or dual colour

WER Rating               B 

U Value                     1.6W/m²K using correct sealed unit

Air Class 4, 600pa 
Wind Class E, 750pa
Water Class 5, 2000pa

Doc L 2010    Yes   

Frame Depth   59mm  - 70mm
Glass      28mm double or triple glazed units  
SH Max o/a height  1400mm
SH Max o/a width   700mm
TH Max o/a height  1500mm
TH Max o/a width   1400mm
(For sizes outside of these parameters please contact Smarts Technical)

Document Downloads

File Type Document Description Download Document
Adobe PDF Alitherm Series
Product Data Sheet - IMS100ALS.201410
Download (1 MB)

Technical Specification


Product Type Windows
Material Aluminium Polyamide
Dual Colour Yes
Thermally broken Yes