Our outstanding, high-performance window range is brought together under the EcoFutural name, offering a wide choice of options for the ultimate in thermal performance and weather protection. The range offers a choice of either tilt & turn or fixed windows.

The EcoFutural system features our proven chambered polyamide thermal break that creates a barrier between the cold air outside and the warm air inside. This technology significantly reduces thermal transmittance and enhances the overall U-values of every EcoFutural window.

alitherm 300

Alitherm 300 Windows
Application Commercial / Domestic
Finish  Single / dual colour, marine quality polyester powder coated
Profile Sash Square 
Security  Multi-point locking, Inline locking handle as standard
Frame depth  65mm
Max weight  90kg
U Value  1.1 -1.4 w/m²k 
SH Max o/a width  1700mm
SH Max o/a height 2500mm
Air Tested Class 3, 600Pa
Water Tested Class 7a, 300Pa
Wind Tested Class AE, 2400Pa
British Standards KM 81580 / PAS 24:2016 / KM81543 / BS6375
Add ons 20mm, 42mm
Bead Internal
Cills 85mm, 150mm, 190mm, 225mm, 300mm
Glazing DG 28mm
Astragal Bar 25mm / 41mm flat bar