The Alitherm 300 range is a very slim, sightline window with a frame width of 53mm and a frame to bead depth of only 59mm. With an A-energy rating, it’s one of the most advanced Aluminium windows on the market.
The Alitherm 600 range,offers a more ornate, ovolo finish to the external edge of the sash and outer frame. With a frame width of 59.5mm and a frame to bead width of 84.5mm, this window is B-energy rated.
The Evolution range has been specifically designed as a thermally efficient direct replacement for old Steel windows. It is ideal for listed buildings or buildings where planning constraints apply.
All Astral aluminium windows have a polyamide thermal barrier to reduce heat loss and improve thermal performance. High quality EDPM rubber Gaskets and weather brushes aid weather-proofing.
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Astral Conservatory Systems is consulted before specifying.
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| Uniclass (?) | Pr_30_59_98 Window units | |