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Alitherm 300


The Alitherm 300 series offers a range of high quality glazing solutions for side and top hung open out windows suitable for both the residential and commercial markets.


This versatile range of profiles can provide many solutions for residential and light commercial applications. 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 products are available in a choice of standard or non-standard colours, including metallic, dual colour, Smart’s Sensations textured, and Alchemy anodised effect finishes.


BrandAlitherm
MaterialAluminium Polyamide
Dual ColourYes
Thermally BrokenYes
NBS AvailableYes
WER RatingA
U Value1.5W/m²K (using correct glass unit)
AirClass 4, 600Pa
WaterClass E, 1200Pa
WindClass AE, 2400Pa
Document L CompliantYes
KitemarkYes
BS 6375-1:2009Yes
BS 7950:1997Yes
BS 4873Yes
PAS 24:2012Yes
Side Hung Max Width (mm)700mm
Side Hung Max Height (mm)1400mm
Top Hung Max Width (mm)1400mm
Top Hung Max Height (mm)1300mm
Glazing (mm)24mm, 28mm, 32mm & 36mm double or triple glazed units
Frame Depth (mm)53mm & 70mm