SMART Alitherm 600 Aluminium Window

SMART Alitherm 600 Aluminium Window

The SMART Alitherm 600 Aluminium Window offer a range of high quality glazing solutions suitable for both the residential and commercial markets.

All Alitherm profiles utilise Smart’s innovative polyamide thermal break technology which creates a barrier between the cold air outside and the warm air inside. This technology significantly reduces thermal transmittance and enhances the overall U Value of a product.

The Alitherm 600 window is designed to meet the exacting requirements of Document L 2010. Window Energy 'B' Rating can be achieved when used with the correct double or triple glazed unit

  • 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

Cross Section Diagram

SMART Alitherm 600 Window


The following profiles are the main profiles that we use as standard. More profile options are available and can be found in the Technical Manual.

Outer Frame

60mm base width profile used as standard.

Option of 70mm base width profile.


Internally beaded squareline sash used as standard.

NB in order for the window to be completely internally beaded all aperatures must either be a sash, dummy sash, or use a reversing profile.


Squareline bead for 28mm units used as standard. Chamfered beads available upon request.


Choice of 85mm Stub cill, 150mm, 190mm or 225mm.


Depends upon the base width of the outer frame.

For 60mm base width a 15mm and 42mm add-on are available.

For 70mm base width a 20mm add-on is available.

Trickle Vents

Trickle vents are normally fitted in vents. Where trickle vents are fitted in the frame, an add-on is used.