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Cortizo Casement Window Technical Data


27 October 2026

Cortizo’s aluminium casement windows combine slim 70mm frames with impressive performance. Below you’ll find the full technical data, along with a closer look at the new tap-in glazing bead.

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Technical Data

With a Uw value as low as 0.9 W/m²K (depending on the configuration) and acoustic insulation up to 45 dB, these windows help keep your home warm and quiet. The sheet covers the maximum sizes for side hung and top hung windows, the tested weather performance and the finishes available, including powder coating in any RAL colour, wood effect and anodised.

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Tap-In Glazing Beads

This section shows Cortizo’s new glazing bead holding 28mm glass within the 70mm frame. The gasket comes already fitted, so there’s no need to insert it by hand during glazing.

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