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  • Writer's pictureVladimir Castravet

What we offer

Updated: Nov 8, 2022

A to Z Design and Glass products

A to Z Design and Glass Ltd is a supplier and fitter of bespoke windows, doors, folding doors, sliding doors.

Cortizo Sliding doors

Cortizo is known as a high quality slim profile aluminium that create beautiful slim profile, seamless frames for residential properties as well as for commercial properties.

» Finishes

Possibility of dual colour systems

Colour powder coating (RAL, mottled and rough)

Wood effect powder coating

Anti-bacterial powder coating


» Transmittance Uw ≥ 1.0 (W/m²K) Consult maximum weight and dimensions according to typologies

» Acoustic insulation Rw up to 48 dB » Air permeability (EN 12207) Class 4

» Water tightness (EN 12208) Class E1350 . » Wind resistance (EN 12210) Class C5

Reference test 1.20 x 1.16 m / 2 sashes

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We supply 2 options of steel profiles: Janseen and Ferro Fenestra.

Both are high quality steel profiles offering a slim framing for the windows, doors and internal partitions.

Distinctive metals

The history of working steel and bronze dates back many centuries, but the enormous design potential they unfold, when correctly chosen and processed, are all to come. The unparalleled strength of steel allows obtaining very large and robust windows and doors with slender frames. These unique characteristics, combined with the beauty and feel of the natural metal surfaces, give life to an unparalleled architectural style and aesthetics.


We offer a full range of wood windows, sash windows, casement windows, ALU-WOOD windows and door as in soft wood as well in hard wood.


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