Bulletproof and Ballistic Glass For Advanced Protection That Saves Lives

End-to-end consulting, design, fabrication, and installation for your custom bulletproof windows, doors, and more.

What is Bulletproof Glass & How Does It Enhance Safety For Building Occupants?

Bullet-resistant glass, commonly called bulletproof glass or ballistic glass, is made of transparent materials specially designed to resist the penetration of bullets. The most common types of bulletproof security glass are fabricated using acrylic, polycarbonate, actual glass, or laminated layers thereof, such as glass-clad polycarbonate.

Unlike standard glass, ballistically rated glass is typically the center point of more complex bullet-resistant barrier systems:

Teller windows at a financial institution
School entrance or classroom windows
Convenience store and retail store checkouts
Bullet-resistant windows in high-security environments like government buildings and police stations

In schools, for example, most standard school windows are made with conventional glazing that isn’t designed to stop bullets. Making school windows bulletproof can be an important part of a layered school security strategy that protects students and staff while maintaining visibility and natural light. As schools increase safety, bulletproof windows help parents rest easier when sending their kids to school.

The Four Types of Bulletproof Security Glass: Bulletproof Acrylic, Polycarbonate, Glass-Clad Polycarbonate & Insulated

Historically, laminated windows built from layers of laminated glass were considered the gold standard for early bulletproof window systems. Now, modern ballistic glazing incorporates specialized advanced materials that go beyond laminated glass layers to provide greater performance and flexibility.

Choosing the right type of bulletproof glass for your project will depend on specific risk factors, the material types appropriate to the threat level, and the functionality and aesthetics of the building. The most common interior types of bullet-resistant glazing actually use monolithic acrylic or layers of polycarbonate. By carefully selecting which raw materials to layer in what way, TSS can make bullet-resistant glazings that accommodate a wide range of configurations and safety levels.

The four most common forms of bullet-resistant security glazing materials are acrylic, polycarbonate, glass-clad polycarbonate, and insulated glass.

A graphic displaying acrylic bullet-resistant glass or bulletproof acrylic glass that can be used in ballistic-resistant windows in jewelry stores and more

Bullet-Resistant Acrylic Glazing

(Also Called Acrylic Bullet-Resistant Glass or Acrylic Bulletproof Glass)

In security applications, specialized acrylic glazing—often called bullet-resistant acrylic—can provide tested ballistic protection when engineered to meet specific threat levels.

Bullet-resistant acrylic is one of the most widely used interior ballistic glazing materials because it combines excellent light transmission, optical clarity, and reliable handgun protection. This single-layer glazing allows natural light to pass through while maintaining a secure barrier. When paired with a coating for abrasion resistance, acrylic glazing also gains improved durability against scratching, solvents, and everyday wear.

A photo showing bullet proof acrylic glass installed in a financial institution to provide greater protection than conventional glass while providing crystal clear sound quality and visibility

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A graphic displaying polycarbonate bullet-resistant glazing, which is one option when you install bullet-resistant glass, a heavier glass than traditional glass

Polycarbonate & Laminated Polycarbonate Glazing

(Also Called Bulletproof Laminated Polycarbonate Glass or Bullet-Resistant Polycarbonate Glass)

Ballistic polycarbonate is a durable security glazing designed to absorb and disperse energy rather than shatter on impact. Its layered construction allows it to catch and slow a bullet while reducing dangerous ricochet or fragmentation. This flexibility also gives polycarbonate bullet-resistant glass exceptional resistance to blunt-force attacks, allowing it to withstand repeated strikes from tools like sledgehammers.

Compared to acrylic, polycarbonate barriers can offer comparable bullet resistance with reduced thickness and weight.

Because of its resilience, laminated polycarbonate is commonly used for interior ballistic barriers where both bullet resistance and forced-entry protection are important. Available in UL Levels 1–3, it provides reliable protection from common handgun threats while delaying intruders as part of a layered security strategy.

A photo showing laminated polycarbonate sheets tested to Level 3 ballistic resistance as a form of safety glass in the interior of public building

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A graphic displaying glass-clad polycarbonate ballistic glazing or ballistic glass-clad polycarbonate that can be used as a bullet-resistant material to support maximum bullet-resistant protection in high-security buildings in a more lightweight solution

Glass-Clad Polycarbonate Glazing

(Also Called Bulletproof Glass-Clad Polycarbonate, Bullet-Resistant Glass-Clad Polycarbonate or Ballistic Glass-Clad Polycarbonate)

Glass-clad polycarbonate (GCP) is a high-performance bullet-resistant glazing made by laminating layers of glass and polycarbonate. The glass exterior provides a hard, scratch-resistant surface suited for high-traffic areas, while a polycarbonate layer on the secure side helps mitigate spalling by capturing fragments upon impact. This layered construction enhances ballistic performance and occupant safety compared to traditional glass-only panels.

Because of its durability and weather resistance, glass-clad polycarbonate bulletproof glass is widely used in both interior and exterior security barriers, including storefronts, entryways, and secure vestibules. Available in UL Levels 1–8, GCP offers reliable ballistic protection across a wide range of threat levels while maintaining the clean appearance expected in modern buildings.

An example where glass-clad polycarbonate glazing was an excellent material to meet tough standards for ballistic protection while offering the benefits of a clean appearance

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A graphic displaying insulated glass (available starting at 1

Insulated Glass

(Or Insulated Ballistic Glass)

Insulated ballistic glass combines bullet-resistant protection with modern energy performance, making it ideal for securing a building’s exterior without sacrificing efficiency or appearance. The TSS DEFENDER and GCP insulated glass lines use laminated ballistic glazing separated by a sealed air space, forming an insulated glass unit that improves thermal performance while protecting occupants from ballistic threats and, in some configurations, includes forced-entry protection.

Because of this design, ballistic insulated glass is commonly used for exterior windows, storefronts, and perimeter glazing where natural light, energy efficiency, and security must work together. Available in UL Levels 1–8, these systems help protect people from threats while strengthening the building envelope—and in the lowest protection levels, can sometimes be retrofitted into existing window frames, making them a practical, cost-effective solution for renovation and security upgrades.

A photo displaying a school entrance that can be outfitted with ballistic and forced-entry protection, with the option for impact-resistant insulated units

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Product Comparison Chart: Bulletproofing for Your Critical Infrastructure & Real-World Conditions To Provide Maximum Protection

	Acrylic	Polycarbonate	Glass-Clad Polycarbonate	Insulated Glass
Applications	Interior Windows and Doors	Interior Windows and Doors	Interior or Exterior Windows and Doors	Exterior Applications Like Windows and Doors
Bulletproof Glass Thickness	1 1/4” to 1 3/8”	3/4” to 1 1/4”	13/16” to 2 1/2”	15/16” to 1 1/4”
UL 752 Protection Level
Forced-Entry Protection	No	Yes	Yes	Yes
Light Transmission	> 90%	75-85%	60-85%	60-80%
Weatherability	Sensitive to ultraviolet light exposure and solvents. Abrasion-resistant coating available.	Sensitive to UV exposure and solvents. Abrasion-resistant coating available.	Heightened resistance to weathering and solvent damage.	Heightened resistance to weathering and solvent damage.

Need help choosing bulletproof windows designed for your facility? We'll find you the right solution, with the right level of protection.

We offer complete security solutions custom-designed for your building, from secure entryways, barrier systems, safe rooms, and guard booths to bulletproof windows, walls, and counters. Get free advice from our ballistic experts on how to add more protective layers to your building and ensure the continued safety of your people.

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BALLISTIC GLASS EDUCATION: ANSWERS TO QUESTIONS ABOUT SECURITY OPTIONS, UL 752 RATINGS & BULLET-RESISTANT GLASS COST

An example of ballistic glass installed by security experts from Total Security Solutions, a well-respected bullet proof glass name in the industry, in a government facility that provides an added sense of security in active shooter incidents

Ballistic Glass vs Ballistic Glazing: Is There a Difference?

Ballistic glazing, or simply glazing, is a glass industry term that encompasses all types of transparent ballistic panels. As previously mentioned, bulletproof glazing may be made up of acrylic, polycarbonate, glass, or a combination such as glass-clad polycarbonate.

Confused? Don’t worry, whether you call it bulletproof glass, bullet-resistant glazing, or ballistic glass—people will understand you’re speaking about transparent panels that stop bullets.

Bullet-Resistant vs Bulletproof vs Ballistic Glass: Which Term is Correct?

Simply put, the proper industry term is bullet-resistant glass, but the most commonly used term is bulletproof glass. Ballistics, as defined in the Collins dictionary, is actually “the study of the movement of objects that are shot or thrown through the air, such as bullets fired from a gun.” In the real world, all three terms are used interchangeably.

An example of bullet proof doors and bulletproof windows designed for and installed in the context of a school entrance as part of broader safety upgrades, eliminating the need for locking doors during school hours

The use of ballistic glass, also known as bulletproof and bullet-resistant glass, to provide protection from bullet impacts in a retail storefront where armed robberies may occur

Bulletproof Implies That Glass is Indescructible. Is That True?

The term bulletproof glass suggests absolute protection, but no material is completely bulletproof. The more accurate term for these protective solutions is bullet-resistant.

During testing, the material is shot with a defined firearm and ammunition to confirm it can stop a certain number of rounds without allowing penetration or dangerous fragmentation. Once that tested threshold is exceeded, the material may eventually fail.

Can You Buy Ballistic Glass For Sale and Install It Yourself?

Bullet-resistant glass can sometimes be purchased as a standalone material, but most organizations work with a ballistic security provider from the start. That’s because effective protection requires a complete bullet-resistant system designed for your building, threat level, and operational needs.

A qualified provider helps evaluate your facility and design a solution where all components work together, including:

Ballistic glazing matched to your threat profile
Rated frames, doors, and surrounding materials that maintain the protection level
Proper structural support and anchoring for the weight of ballistic materials
Integration with existing architecture and security measures

Taking a systems approach to security ensures the barrier performs as intended and protects the people behind it—while maintaining the functionality and appearance of your space.

A photo displaying ballistic solutions professionally designed, manufactured, and installed vs. someone shopping for ballistic glass for sale and installing ballistic windows and doors themselves

A chart from TSS breaking down the UL 752 standard for bullet-resistant barrier testing that applies to systems of all sizes, from small systems and mid-size systems, that covers everything from 50 cal bullet proof glass to glass that can withstand multiple hits from handguns

Understanding UL 752 Rating System for Bullet-Resistant Windows, Doors & More: Get the Required Protection You Need

To be considered bullet-resistant, glazing designed for use in a bulletproof system goes through a series of tests to evaluate its ability to stop various ballistic attacks. The Underwriters Laboratories (UL) publishes the UL 752 Standard for Safety Bullet-Resisting Equipment—one of the longest-standing and most nuanced rating systems. The 10 bullet-resistance levels of UL 752 are considered the “gold standard” in the industry and describe grades of ballistic resistance encompassing weapon calibers ranging from a 9mm handgun up to a .50 caliber rifle.

UL-rated materials are favored (or, in many cases, mandatory) in building construction. All TSS ballistic products have been rigorously tested by independent, third-party safety testing labs to ensure they perform up to, and typically beyond, the UL 752 standard.

The Most Common Level of Ballistic-Resistant Glass Used Is Level 3

Level 3 bulletproof glass has become the most common ballistic glazing option because it protects against the threats most organizations are realistically planning for. Under the UL 752 standard, Levels 1–3 are designed to stop multiple shots from common handguns—the firearms most frequently used in crimes, workplace violence, and other security incidents.

Rather than designing for the most extreme scenario, many facilities prioritize protection from the most likely risks. Level 3 glazing supports that approach because it can:

Protect people from common handgun threats while avoiding the cost and structural requirements of higher rifle-rated systems
Blend into everyday spaces like reception areas, storefronts, and conference rooms without disrupting the design
Support layered security strategies, delaying intruders and buying valuable time for occupants and first responders
Adapt to both retrofit projects and new construction, making it a practical upgrade for many types of facilities

An example of Level 3 bullet-resistant glass that resists penetration from three shots from a 44 magnum pistol, as ensured by performed safety testing via a third party for TSS, a bullet proof glass company

Choosing the Right Product, From Bulletproof Windows & Doors for Ballistic Resistance to Forced-Entry Resistance

Bulletproof glass offers unlimited customization options. From level of protection to tinting to spalling, it's important to know what you need to make the right choice for your situation. We know how complex (and overwhelming) the sheer number of options can be, which is why we created the Ballistic Glazing Solutions Guide. This free, comprehensive ebook provides no-nonsense information and tips to help you identify the right bulletproof glass for effective protection, whether you're working on your first bulletproofing project or your fiftieth.

A graphic promoting TSS' ballistic glazing solutions guide for protection that goes beyond and complements traditional security measures like existing security cameras, delivering protection against powerful weapons from large to small firearms

How Much Does Bulletproof Glass Cost?

For the average simple bulletproof security system, typical price ranges can be anywhere from $15,000 to $25,000. The cost of a ballistic system involves much more than the simple square footage of bullet-resistant glazing, and the estimates above may be much higher based on your project's details.

If you're researching polycarbonate security windows cost, for instance, the glazing material is only one part of the overall barrier system.

When considering your budget for a ballistic barrier project, remember that you'll need to factor in the costs for each additional component of a complete safeguarding system (like doors, wall panes, reinforced framing, and accessories). Your final quote will also include design, manufacturing, packaging, freight, and installation costs.

By offering custom-designed solutions for every unique situation and project, TSS makes sure you only pay for the bullet-resistant products and services you need to support the structural upgrades that deliver the protection you want. The best way to determine the cost of your bulletproof system for your commercial property is to speak with a TSS ballistic expert!

BULLETPROOF GLASS WINDOWS OR SECURITY WINDOW FILM: WHICH STOPS BULLETS?

Security window film is often proposed as a less expensive, quick “bulletproof” solution for businesses interested in enhancing security on a smaller budget. However, security window film is not a ballistically-rated material and will not stop bullets from small-caliber handguns or larger caliber rifles.

In many facilities, security film is used on lower-risk exterior windows to slow intruders, while bullet-resistant glass is installed in entryways, reception areas, or other high-traffic spaces where people need direct ballistic protection.

Your threat level and unique security concerns should always determine what security solutions are right for your business, office, or facility. We created a free guide to help you understand the differences between bullet-resistant glass and security window film and enable you to make the most informed decisions about your building's physical security.

A photo showing a teller line outfitted with bullet proof glass as a protective shield from attempted attacks while maintaining high-optical clarity for customer interactions

Frequently Asked Questions About Bulletproof Glass

Can bulletproof glass break?

Yes. Bulletproof glass is incredibly strong, but not indestructible. It's engineered to absorb ballistic energy and hold together under attack, even when cracked or shattered—unlike standard windows that can break into dangerous shards of shattered glass.

Like any physical barrier, it can fail under repeated impact, especially if multiple shots hit the same spot or if the framing is weak. But its purpose isn't complete and absolute protection; it's to buy time.

Whether it's UL 752 Level 1 protection for handguns or Level 8 to stop rifle rounds from high-powered rifles, ballistic glass is designed to slow intruders long enough for people to escape and authorities to respond.

What is bulletproof glass made of?

Bulletproof glass is made by layering different materials—primarily acrylic, polycarbonate, glass, and specialized interlayers—depending on the desired level of protection. There are four main types:

Monolithic acrylic (a solid bullet-resistant acrylic sheet, common for Level 1–2 protection)
Laminated polycarbonate (multiple layers of polycarbonate and acrylic bonded with TPU interlayers)
Glass-clad polycarbonate (glass layers fused with polycarbonate for Levels 1–8)
Insulated glass units (IGUs), which combine ballistic performance with energy efficiency and may include an air or argon-filled gap

These combinations work together to slow, catch, and disperse a bullet’s energy, making it harder to penetrate while maintaining transparency and structural integrity.

How strong is the strongest bulletproof glass?

The strongest bulletproof glass commercially available is rated Level 10 on the UL rating system, capable of stopping a single .50 caliber rifle round. This level is extremely rare in real-world use due to its weight, cost, and thickness.

The most common high-strength option used in commercial and institutional buildings is UL 752 Level 8, which can stop at least five shots from a 7.62mm rifle at close range. This glass, typically made of glass-clad polycarbonate, is up to 2.5 inches thick and weighs over 26 pounds per sq. ft., requiring special structural support.

While many organizations inquire about higher Level 8 protection for rifle threats, most only need Levels 1–3 based on their actual ballistic threats—usually handguns. That’s why a custom threat assessment is critical. It can help you determine the right level of bullet resistance for your specific needs.

Is bulletproof glass a good insulator?

Standard bulletproof glass alone does not provide effective thermal insulation. For energy efficiency and indoor comfort, bulletproof insulated glass units (IGUs) are the better choice.

TSS offers UL-rated IGUs that combine ballistic protection with an air or gas-filled thermal break—ideal for exterior windows in commercial, institutional, or retrofit applications. Our Defender and GCP security product lines offer varying degrees of protection up to UL Level 5, with options like Low-E coatings for UV protection, tints, and forced-entry resistance to meet security, climate, and performance goals.

If insulation matters to your project, we’ll help you select the right ballistic IGU for your security needs.

Is bulletproof glass beneficial in homes?

Bulletproof glass can offer meaningful protection in homes, especially in panic rooms or residences facing elevated security risks. It provides peace of mind and can help delay intruders long enough for authorities to respond.

While bulletproof materials are also used in homes, as well as applications like armored vehicles and protective body panels, Total Security Solutions focuses exclusively on commercial, industrial, and institutional environments where systems are more complex, and installation requires specialized engineering. From banks and schools to government buildings and small businesses, our expertise lies in integrated, code-compliant ballistic systems that add more layers of security to your business.

If you're exploring ballistic protection for your home, we recommend reaching out to a provider that specializes in residential security solutions and can provide you with suitable options for your property.

Why Choose TSS as Your Custom Security Solutions Provider For Bullet-Resistant Solutions

When you choose TSS, you’re choosing a company with decades of experience consulting, designing, fabricating, and installing ballistic barriers around the country. We have worked with countless industries and specialize in adding Safety + Aesthetics features to any space. If you’re looking for support for your bulletproofing project to meet specific security requirements, TSS is your end-to-end partner.

Consulting

If you know you need to add a layer of bulletproof material to your space, but you don’t know where to start, call us. Our security experts can help you make a practical plan for increasing your security in crucial locations.

Custom Design

Bulletproof barriers should fit seamlessly into your space. Our design capabilities make sure you get the perfect fit every time—even when you need to accommodate historical millwork, create a mantrap, or some other custom considerations like curved panels.

In-House Fabrication

As a leading manufacturer, all of our products are fabricated in-house by expert craftsmen. Nothing is off the shelf—ever. This results in a superior product that’s perfect for you and your needs, across every square foot.

Expert Installation

Once fabrication is complete, our in-house team of installation providers is ready to travel to your location to guarantee the product is installed correctly. Additionally, we ensure your business’s continuity by completing installations overnight.

As An Industry Leader, We Engineer Confidence

TSS-proven-process-infographic-1

Unlike competitors who sell off-the-shelf products, we design, build, deliver, and install custom bullet-resistant barrier systems that are right the first time. Our Proven Process includes comprehensive project management to ensure your security project is tailored to your exact specifications, manufactured in-house for quality control, and sometimes installed in a single day for completion in a timely manner. That means no delays, no costly change orders, and no workarounds on-site. It’s why architects, contractors, and security leaders have trusted us to protect more than 30,000 buildings in over two decades.

See Our Process