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Product MasterSpec

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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

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

Our story

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


Find out more about how glass can support sustainable design

Quality control

We strive for quality in everything we do

Our company

Learn more about who we are

Help and contact

Our expertise and commitments

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


Commercial Applications
Coated glass types GT-06-H

Simplify preparing specification documents with Product MasterSpec™

Deltek, the exclusive publisher of AIA (the American Institute of Architects), has authorized Guardian Glass to offer a licensed version of Product MasterSpec Section 088000 Glazing. Our Product MasterSpec resource will help simplify preparation of your specification documents.

Elite Optical Quality Specification

For specifying Guardian Select® Elite Fabricators

CSI 3-Part Specifications

It’s easy to edit, copy, paste or insert the following documents into your project specification.

NOTE: The following specifications are provided in MS Word format and contain Specifier's Notes in hidden text. It is important to set your text-viewing software to view hidden text to utilize the glass configuration instructions contained in the Specifier's Notes.

Product Specifications - 1" IG Units

Gray Float Glass Substrate
CrystalGray Float Glass Substrate

Bird1st UV Specifications - 1-5/16" IG Units

Laminated Inboard

UltraClear and Clear Float Glass Substrates

Laminated Monolithic

Clear Float Glass Substrates

Bird1st Etch Specifications – 1-5/16” IG Units

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