SMART Alitherm 800 Aluminium Window

The SMART Alitherm 800 Aluminium Window offers the highest thermal performance window suitable for both residential and commerical applications. It has two variants, the sculptured system for a more traditional looking window, and a flatter squarer system for a more contemporary window.

The Alitherm 800 windows is designed to meet the exacting requirements of Document L 2010. Window Energy 'A' Rating can be achieved when used with the correct double or triple glazed unit.

The Alitherm 800 Aluminium window boast an extended chambered 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.

  • Squareline flatter profiles for a more contemporary look
  • The system is suitable for both internally or externally beaded, side or top hung open out windows
  • High security multipoint shootbolt locking fitted as standard

Contemporary Squareline Flat Profiles

SMART Alitherm 800 Cross Section Contemporary Aluminium Windows


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

61mm base width profile used as standard.


Internally beaded squareline sash used as standard.


Squareline bead for 28mm units used as standard.


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


For 61mm base width a 42mm add-on is available. This is used as standard where trickle vents are specified.