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U-Value (Ug, W/m2 K)

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What's your challenge?
Design with glass

From anti-reflection to color tints, modern glass enhances design in many ways.

Build with glass

Whatever the construction challenge, we have the glass to help meet it.

Glass for your home

See how the correct choice of glass can help transform a home – and even our wellbeing.

Highlights
7 St. Thomas

Curved glass contributes to harmony between Victorian and contemporary design

Midlands Technical College Library

When glass helps to create a comfortable learning environment

ARO - 242 West 53rd Street

Floor to ceiling windows provide light, transparency and sweeping views of Central Park

Discover our showcase projects, captured through the lens of professional photography.

Explore Guardian Glass projects in your area and beyond with Google Street View and be inspired by the possibilities.

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Our story

Just as we were in 1932, we're ready to meet the challenges of now and the future

Sustainability

Find out more about how glass can support sustainable design

Quality control

We strive for quality in everything we do

Glass Analytics

Access our comprehensive suite of engineering and analytical tools

BIM objects

Download and use our standardized Guardian BIM content to create project specific BIM files

Seminars and online learning

For anyone who is interested in learning more about glass and its use

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

Low-E glass

See our solution to solar control and thermal insulation needs.

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Technical Resources Library

Access a wealth of technical notes to enhance your knowledge about glass!

Guardian Glass Training Center
1188191981

Guardian Glass Training Center

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