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SunGuard Interior-Surface Coating

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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

See how the right glass can help improve your quality of life and the beauty of your home

Understand glass

Learn more about glass and what you can do with it

Design with glass

There’s almost no limit to what you can create with glass

Build with glass

Glass is the ultimate building element, and can be tailored to each project

Glass for your home

We’re helping glass inspire more homes than ever before

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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

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

Sustainability

Find out more about how glass can support sustainable design

Quality control

We strive for quality in everything we do

Our company

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Help and contact

Our expertise and commitments

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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

SunGuard® Interior-Surface Coating

SunGuard® Interior-Surface Coating

SunGuard® IS 20 glass has a special thermal insulation coating that can improve a window’s energy performance. The glass is applied to the inside surface of double or triple glazed units, to help them comply with, and even exceed, energy efficiency codes.

Advanced thermal insulation
from the inside

Minimizing heat loss in cold climates, yet also cooling loss in warm regions can often be a difficult challenge. With its advanced thermal insulation coating SunGuard IS 20 glass is an efficient and effective way to improve a window’s energy performance compared to standard low-E glass and achieve targets.

High transparency

SunGuard® IS 20 also offers high natural light transmission and a neutral finish, which means the interior ambience isn't compromised.

High transparency

Easy maintenance

Maintenance is also easy as SunGuard® IS 20 can be cleaned using widely available products such as Glass Plus®, Windex® and Pledge®.

Easy maintenance
SunGuard® Interior-Surface Coating product
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Need more support?
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.