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Ballistic Glazing - UL 752 Level 2

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AR Polycarbonate Sheets

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Containment and Safety Glazing

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Ballistic Glazing - HPW Level A

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Ballistic Glazing - UL 752 Level 1

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ArmorPlast® Gen I Series

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ArmorPlast® Gen II Series

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ArmorPlast® IGU Series

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J Series

Ballistic & Forced Entry Grade Sub-framing

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Ballistic Glazing UL 752 Level 2

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Ballistic Glazing - UL 752 Level 3

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Ballistic Glazing - UL 752 Level 4

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Ballistic Glazing - UL 752 Level 5

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Ballistic Glazing - UL 752 Level 7

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Our Solutions

Riot Glass® retrofit systems consist of custom-made security glass and framing designs that provide maximum protection against forced entry and ballistic threats.

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Forced Entry

Virtually unbreakable retrofit solutions

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Bulletproof Protection

Ideal protection against active threats

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Hurricane & Windstorm

Great protection against storm damage

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Energy Efficiency

Sustainable, reliable and affordable Low-E solutions

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Blast Mitigation

Security window film to a complete retrofit

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Sound Attenuation

Window glazing ideal for blocking external noise

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Our Clientele

Riot Glass® can be used to secure any building. Virtually invisible yet nearly indestructible, it blends seamlessly in almost any existing window, door, or

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How Thick Is Bulletproof Glass? Key Facts To Know

Written By: Brad CampbellDecember 1, 2023

Bulletproof glass, more accurately called bullet-resistant glass or ballistic glass, is gaining popularity for a wide range of commercial applications.

When you think of bulletproof glass, you probably associate it with applications like high-security government facilities and military buildings.

However, thanks to advancements in ballistic glazing technology, it’s now being used for everything from high-risk business and executive protection to active threat mitigation in schools.

This is in part due to the fact that bullet resistance in glazing can be achieved using lighter, thinner materials these days, making it more practical and affordable to use ballistic-grade glazing in a wider range of applications.

Keep reading to find out some key facts you should know about bullet-resistant glass, including how thick bulletproof glass is and exactly how “bulletproof” it really is.

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The Most Important Thing To Know About Bulletproof Glass

Before we dive into some technical information about ballistic-grade security glazing, it’s important to make one thing very clear: there is no such thing as 100% bulletproof glass.

No matter how thick it is, “bulletproof” glass can always be penetrated, either by a powerful enough firearm or by prolonged multi-shot attacks.

Bulletproof glass is a term that’s used to refer to a number of different types of bullet-resistant security glazing materials that can resist several bullets fired from specific types of firearms. 

These glazing materials are typically rated according to the UL 752 ballistic resistance rating chart, which specifies exactly how bullet resistant any given material is.

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How Thick Is Bulletproof Glass?

Bullet-resistant glazing sheets can be surprisingly thin — as little as 1/4”. Typical thicknesses for ballistic glazing range from 1/4” to 3 1/2”.

As you probably already inferred, the thicker the material is, the more bullet resistant it typically is. However, the specific composition of the ballistic-grade glazing also has a lot to do with the UL 752 rating it receives.

For example, a 1”-thick sheet of Riot Glass® glass-clad polycarbonate (GCP) security glazing has a UL 752 Level 2 rating, meaning it can stop a minimum of three 158-grain ballistic shots from a .357 Magnum.

How Thick Is Bulletproof Glass for Commercial Applications?

For most commercial applications outside of the most high-security facilities, the thinner the ballistic-grade glazing, the more cost-effective it is. 

This is because thick bulletproof glass typically requires glass replacement, while thinner bullet-resistant glazing (like polycarbonate-based ArmorPlast®) can often be retrofitted right on top of the existing glass using specialized retrofittable framing adapters.

A 3/4”-thick piece of ArmorPlast security glazing has a UL 752 Level 1 rating, meaning it can stop several 124-grain full metal jacket rounds from a 9mm handgun. 

Even if riddled with bullets, this specialized material won’t break apart or significantly diminish in strength. It remains a barrier to forced entry and provides access denial to keep the bad guys out during an active threat scenario or any other type of forced entry attempt.

This is ideal for reinforcing a wide range of commercial facilities against forced entry and active threats. For instance, retrofit ballistic-grade security glazing is ideal for:

  • Schools
  • High-risk businesses (e.g., jewelry stores, 24-hour convenience stores, pawn shops, cannabis dispensaries)
  • Luxury retail stores
  • Government buildings
  • Financial institutions
  • Office buildings and executive office suites

If a higher level of ballistic resistance is needed, thicker types of ballistic glazing can be used, but it may require glass replacement and potentially some modification of the surrounding framing system, depending on exactly how thick the bulletproof glass is.

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Closing Words

Riot Glass, LLC provides a full range of forced entry- and bullet-resistant security glazing solutions, perfect for any type of commercial application.

Whether preventing burglary, smash-and-grab theft, and looting are your top concerns, or you want to provide active threat protection to safeguard the lives of building occupants, there’s a cost-effective Riot Glass or ArmorPlast® solution to reinforce your windows and doors

Contact us today for a consultation!

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Looking for residential protection? At Riot Glass, we specialize in protecting your property with our patented bullet-resistant system, designed specifically for aluminium framed windows. Not sure if Riot Glass is right for your home? Explore our FAQs.
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