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Guardian Dielectric Mirror

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Performance and energy efficiency

Understand how glass can influence a building's energy and acoustic performance

Applications of glass

Whether you need glass for facades, interiors, homes, or specific applications, we have a solution

Which glass is right

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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.

All our projects

From landmark construction projects to innovative residential builds, this is how our glass can make the difference.

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Our story

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

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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

Guardian Dielectric Mirror

Guardian Dielectric Mirror

The Guardian Dielectric Mirror is an advanced coated glass for dual-function mirror and screen applications. When the screen is on it can be seen clearly, and when the screen is off the mirror is seen – with all the beauty and functionality it brings.

The mirror that hides a screen

The Guardian Dielectric Mirror is an innovative coated glass for dual-function mirror and screen applications, such as hidden bathroom TVs or commercial displays. Switch the screen on and it’s visible behind the mirror. Switch the screen off and the mirror is seen again. This gives designers the freedom to innovate with electronic features and visual effects.

More of the mirror

The Guardian Dielectric Mirror is available in two versions. DM 60/40 is ideal when the mirror itself needs to be the priority. It can reflect 57% of the light and has a light transmission of 41%, which also makes the screen highly visible when switched on.

More of the mirror

More of the screen behind

DM 30/70 is the optimum solution for Framed TV designs. Here the size of the TV is usually equal to the covering mirror and so the display function is often key. Consequently DM 30/70 reflects 29% of the light and has a light transmission of around 69%.

More of the screen behind

Advanced in many forms

The Guardian Dielectric Mirror can be enamelled, heat-treated, laminated and painted. It's also available in a range of thicknesses and dimensions on Guardian ExtraClear®, Guardian UltraClear®, or Guardian LamiGlass ExtraClear® glass.

Advanced in many forms
Guardian Dielectric Mirror products
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Whether you’re drawing skyscrapers, remodeling homes or creating museum cases, our team of glass experts is ready to help you find the right glass for your project.