This versatile range of profiles can provide many solutions for residential use. It can create traditional casement windows inspired by the elegance and styling of timber products, or contemporary style windows designed for modern homes or offices.

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 and is designed to meet the exacting requirements of Document L 2010.

alitherm 300

*Standard sash unless specified (externally beaded)

Alitherm 300 Windows
Application Domestic
Finish  Single / dual colour, marine quality polyester powder coated
Profile Sash Ovolo / Chamfered / Square 
Security  Multi-point locking espag, Inline locking handle as standard
Frame depth  70mm
Max weight  40kg TH / 28kg SH
U Value  1.2 -1.6 w/m²k 
SH Max o/a width  600mm
SH Max o/a height 1400mm
TH Max o/a width  1400mm
TH Max o/a height 1400mm
WER A - C
Air Tested Class 3, 600Pa
Water Tested Class 7a, 300Pa
Wind Tested Class AE, 2400Pa
British Standards KM 81580 /  PAS 24:2012 / KM81543 / BS4873
Add ons 20mm, 42mm
Bead Internal / External (Ovolo not available with internal)
Cills 85mm, 150mm, 190mm, 225mm, 300mm
Glazing DG 28mm  / TG 32mm