United Kingdom & Ireland - EN

U-Value (Ug, W/m2 K)

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122 Leadenhall - 'The Cheesegrater'

The 75,000 square metres façade features a curtain wall that is double glazed to allow for a high solar protection on neutral-looking glass.

Fruit and Wool Exchange

The new-build façades are predominately brick-faced, with punched windows to reflect the surrounding context.

Caudwell International

Curved glass, punch windows and precast stone panels make up the envelope on a figure-of-eight footprint.

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U-Value (Ug, W/m2 K)

Illustrations for Catalogues

Is the glazing parameter that characterizes the heat transfer through the central part of the glazing, i.e. without edge effects, and expresses the steady-state density of heat transfer rate per temperature difference between the environmental temperatures on each side. The lower the value, the greater is the insulating value.

Float glass

High performance glass

See our solution to solar control and thermal insulation needs.

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Technical Resources Library

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Guardian Glass Training Center
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Guardian Glass Training Center

Learn the glass fundamentals in a fun and interactive way, at your own pace!