Vitro Architectural Glass Education Center:

Resources. Information. Support. From engaging videos on challenging technical issues to common industry terms, learn more about one of today's most popular building envelope products.

Your single source for information on designing, specifying and building with commercial glass.

Why Specify

Why Specify Which Type of Glass?

Familiarize yourself with four commonly specified types of glass and learn which applications best suit them.

fabricated glass cost considerations

“Spec Check”: How to Ensure Compliant Specifications

Review our article and infographic reviewing strategies for avoiding glass specification errors.


Optimal Low-E Coating Placement for Double- and Triple-Glazed IGUs

Achieving optimal performance of solar control low-e glass and passive low-e glass.

fabricated glass cost considerations

Cost Considerations in Specifying Vitro Architectural Glass

In the grand scheme of things, how does fabricated glass impact the overall installed curtain wall costs of a project?

How to Read Color In Glass

How to Read Color In Glass

How does the commercial building industry ensure precise color accuracy in glass coatings?

Heat-Treated and Spandrel Glass

Heat-Treated and Spandrel Glass

In this video, learn how insulating glass units (IGUs), spandrel glass, tempered glass and heat-strengthened glass are manufactured.

IGU placement


Placement of a laminated lite within an insulating glass unit is key to how its glazing system will perform. INSLIP and INSLOP are commonly used terms to help designers position laminated glass properly.


Bent & Laminated Glass

In this video, learn how large sheets of glass are bent and laminated for use in insulating glass units (IGUs).

Bird-Friendly Glass

Bird-Friendly Glass

Each year, more than 600 million birds die from collisions with glass in the U.S. alone. Although bird-friendly building regulations continue to increase in North America, glazing options have been limited.

Low-E Glass Demonstration

Low-E Glass Demonstration

This simple demonstration of heat lamps, glass samples and radiometers will give you an understanding of how Solarban® low-emissivity (low-e) glass works for solar control.

Spandrel Glass

Spandrel Glass

There are a wide range of glasses to choose from to meet the needs of any project. Spandrel glass is one such option.

Reflective glass benefits

The Benefits of Designing with Reflective Glass

Key benefits to designing buildings with reflective glass.

Glass resisting wind and snow loads

Designing Glass to Resist Wind and Snow Loads

Accommodating for wind and snow loads is an important upfront consideration during the design and specification phase.

Condensation and glass

Condensation: What it is. What it means.

Condensation means the IGU is working properly, serving as a thermal barrier between extremes in temperature.

right glass for right acoutstics

Determining the Right Glass for the Right Acoustics

While glass looks great aesthetically, it also has to meet high performance standards. And an important part of performance relates to acoustics.

IGU elements

Key Elements of an IGU

There are several key elements that impact the performance of an insulated glass unit. These include the primary seal thickness and width, secondary seal width, the spacer and the desiccant.

Spontaneous glass breakage

Spontaneous Breakage of Glass

Information on why glass sometimes breaks in a building without any obvious cause.

How glass is made part 1

How Glass Is Made – From the Batch House to the Lehr

The process of how glass is made, starting with a simple combination of ingredients, to large sweeping glass panels.

How glass is made part 2

How Glass Is Made – From Cutting to Low-e Coatings

The process of how glass is made, starting with a simple combination of ingredients, to large sweeping glass panels.

Thermal breaks in glass

Preventing Thermal Stress Breakage

Selecting the right glass to meet a project's thermal loads.

How glass responds to light

What Glass Does with Solar Energy

The solar energy spectrum and the different ways glass responds to light.

North American Glass Channel

North American Glass Channel

Different processes and channel partners are involved in the production of commercial glass.

How Low-E Glass works

How Low-E Glass Works

Performance through passive and solar control low-e coatings.

Low-E Glass coatings

Low-E Coatings Work Like a Thermos Lining

For an easy way to understand how low-e glass coatings help keep rooms comfortable, simply look at how a thermos works.

Low-E Coatings Thickness

Low-e coatings are 500 times as thin as a human hair, yet have a tremendous impact on a building's overall energy efficiency.

Specifying large glass

Specifying Large Insulated Glass Units

Factors to consider when specifying large insulating glass units.

Top glass design considerations

Top Design Considerations

Glass requires special considerations during the specification process.

Float glass process

Float Glass Process

A multi-step glass manufacturing process where liquid glass is formed by "floating" it on molten metal.

Different types of heated glass

Heat Strengthened vs. Tempered Glass

The difference between types of heated glass.

Solar energy spectrum

Solar Energy Spectrum

Understanding the solar energy spectrum is the first step in understanding how low-e coatings work.

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