Quick Summary for Architects
Bullet-resistant windows — also called bulletproof windows or ballistic glass windows — are multi-layer glazing systems designed to stop or slow projectiles from handguns, rifles, and shotguns. Commonly specified in courtrooms, police stations, government buildings, schools, banks, and commercial retail environments, these systems are rated under UL 752 (Levels 1–10). Core materials include all-glass laminates and glass-polycarbonate composite assemblies set in aluminum, hollow metal, or stainless steel bullet-resistant frames. Architects searching for “best bulletproof window,” “ballistic glass for commercial construction,” or “UL 752 rated windows” will find that true protection requires certified glazing installed in a certified frame — not adhesive films.
What Is a Bulletproof Window?
A bullet-resistant window — the technically accurate industry term — is a glazing assembly engineered to resist penetration by specific firearm calibers and velocities. It is commonly specified in high-security commercial construction, government facilities, and institutional buildings.
Industry terminology and alternative search phrases:
- Bulletproof window / bulletproof glass window
- Ballistic glass / ballistic glazing
- Bullet-resistant glazing (BRG)
- UL 752-rated window
- Transparent armor
- Security glazing
- Forced entry / bullet-resistant (FE/BR) window
Technical explanation: Standard commercial windows provide no ballistic protection — bullets pass through with virtually no loss of energy. Bullet-resistant windows are fabricated as laminate or composite materials made up of multiple alternating layers of glass and plastic. The hard outer glass layers absorb and disrupt the projectile; the softer inner layers flex rather than shatter, catching or slowing the bullet and containing fragmentation (spall).
Architectural applications include transaction windows in banks and cashier booths, fixed observation windows in courtrooms and detention facilities, pass-through windows in police stations, and storefront systems in government buildings.
Common misconception: Ballistic film applied to existing glass is not bulletproof. Even thick films (typically 3–8 mils) are significantly thinner than rated bullet-resistant glazing (¾” to 4″ thick). Film cannot reliably stop projectiles. Additionally, bullet resistance is a system property — the frame must be rated as well as the glazing. Adding film to an existing window does not create a UL 752-rated assembly.
Why Bullet-Resistant Windows Are Growing in Demand
Several converging factors are driving specification of bullet-resistant windows in commercial and institutional construction:
Active threat and security awareness: Active shooter incidents are typically over within 10–15 minutes, making passive ballistic protection critical. Bullet-resistant barriers give occupants time to shelter in place and prevent a threat from reaching personnel before law enforcement arrives.
Expanded building types: Demand has expanded beyond traditional high-security facilities (banks, courthouses, prisons) to include schools, healthcare reception areas, convenience stores, sports venues, and corporate lobbies.
Occupant wellness and liability: Institutional owners, insurers, and legal counsel increasingly view certified ballistic protection as part of risk management for facilities serving the public, particularly for employees who work at service windows.
Blast and forced entry concerns: Post-9/11 and ongoing facility hardening standards have expanded specifications to include blast-resistant and forced entry-resistant windows — not just ballistic protection. Systems rated for both bullet and blast resistance (e.g., up to 42 psi) are increasingly required on government and GSA projects.
GSA and federal requirements: The U.S. Department of State specifies forced entry/bullet-resistant (FE/BR) thermally broken aluminum windows and steel doors for certain government installations.
ISO and quality management awareness: Architects and specifiers are more frequently requiring manufacturer quality certifications (such as ISO 9001) as proof of consistent manufacturing processes.
Common Types of Bulletproof Windows
All-Glass Laminated Bullet-Resistant Glazing
Composition: Multiple layers of glass bonded with interlayer films.
Advantages: Superior scratch resistance, excellent optical clarity, weather and UV durability, suitable for exterior applications.
Limitations: Heavier than polycarbonate alternatives; higher material cost.
Best applications: Exterior-facing windows, government building facades, applications with long service life requirements.
Common building types: Courthouses, embassies, military installations, government offices.
Cost implications: Higher material cost offset by longer service life and lower maintenance.
Glass-Clad Polycarbonate Bullet-Resistant Glazing
Composition: Multiple layers of glass and polycarbonate bonded with interlayer film.
Advantages: Offers the durability and scratch resistance of glass on the outer surface combined with the impact-catching flexibility of polycarbonate inner layers. Provides superior optical clarity. Suitable for a wide range of ballistic threat levels. Ideal for exterior applications.
Limitations: Heavier than pure polycarbonate assemblies due to glass layers.
Best applications: High-security exterior installations, transactional areas, government buildings, military bases.
Common building types: Police stations, courtrooms, financial institutions, embassies.
Cost implications: Mid-to-high range; cost reflects multi-material lamination and higher ballistic performance.
Polycarbonate and Acrylic Bullet-Resistant Glazing
Composition: Monolithic or laminated sheets of polycarbonate (a tough, flexible thermoplastic).
Advantages: Lightweight compared to all-glass systems. Excellent impact resistance — designed to “catch” and deform around bullets rather than shatter. Reduces spalling. Easier to handle and install.
Limitations: Prone to scratches and surface wear unless an abrasion-resistant (AR) coating is applied. Generally suited for interior applications rather than exterior exposure.
Best applications: Interior security windows and barriers, reception windows, cashier booths.
Common building types: Retail stores, convenience stores, pharmacies, lower-risk commercial facilities.
Cost implications: Generally lower material cost; abrasion-resistant coatings add cost but extend service life.
Bullet-Resistant Transaction Windows
Composition: Ballistic glazing (glass, glass-clad polycarbonate, or polycarbonate) set in a rated aluminum, hollow metal, or stainless steel transaction frame.
Advantages: Combines ballistic protection with operational functionality. Available with speak-thru devices, transaction trays, deal drawers, package receivers, and sliding panels. Allows secure communication and transfer of documents or payments without compromising the ballistic barrier.
Limitations: More complex to specify and install than a fixed window; requires coordination with countertop, framing, and voice transmission requirements.
Best applications: Any occupied service counter where staff are at risk — banks, cashier stations, government service windows, police station public lobbies.
Common building types: Financial institutions, convenience stores, courthouses, check-cashing facilities.
Cost implications: Higher than fixed windows due to operational hardware components; total cost depends on transaction tray type, counter integration, and voice transmission method.
Frame Materials: Aluminum, Hollow Metal, and Stainless Steel
The frame is a critical and often overlooked component of any bullet-resistant window system. Bullet resistance is a system property — the frame must be rated to the same level as the glazing.
| Frame Material | Key Features | Best Applications |
|---|---|---|
| Extruded Aluminum (6061-T6) | Lightweight, available in clear or dark bronze anodized finish, non-ricochet design that captures projectiles and reduces lateral penetration | Storefronts, commercial offices, schools, transaction windows |
| Hollow Metal | High strength, available in fixed, sliding, operable, split-frame, and transaction configurations | Courthouses, police stations, government facilities, detention |
| Stainless Steel (C-Channel) | Corrosion resistance, hygienic surface, transaction and fixed configurations | Healthcare, food service, high-moisture environments |
Armortex aluminum frames use 6061-T6 aluminum with a clear or dark bronze anodized finish and are designed as non-ricochet type — intended to capture and retain projectiles, reducing the potential for random injury and lateral penetration.
Comparison Table: Bullet-Resistant Glazing Materials
| Criteria | All-Glass Laminate | Glass-Clad Polycarbonate | Polycarbonate/Acrylic |
|---|---|---|---|
| Ballistic Protection Range | UL 752 Levels 1–10 | UL 752 Levels 1–10 | Lower threat levels |
| Exterior Suitability | Excellent | Excellent | Limited |
| Scratch Resistance | Excellent | Excellent (glass face) | Requires AR coating |
| Weight | Heaviest | Medium-heavy | Lightest |
| Optical Clarity | High | High | High (may yellow over time) |
| Spall Control | Varies by construction | Can be “no spall” or “low spall” rated | Good |
| Typical Thickness Range | ¾” – 4″ | ¾” – 4″ | ¾” – 3″ |
| Interior Applications | Yes | Yes | Yes (preferred) |
| Relative Material Cost | Higher | Medium-High | Lower |
| Typical Service Life | Long | Long | Medium (exterior) |
Note: Armortex glazing products can be UL Listed as “no spall” or “low spall” depending on configuration.
Codes, Standards & Certifications
UL 752 — Bullet-Resisting Equipment (11th Edition)
The primary standard for bullet-resistant building components in the United States. UL 752 rates barriers across 10 levels based on resistance to specific firearm threats:
- Levels 1–3: Handgun protection (9mm, .357 Magnum, .44 Magnum)
- Levels 4–8: Rifle and submachine gun threats (.30-06, 5.56mm, 7.62mm)
- Levels 9–10: Higher-powered rifle threats
Armortex products are tested and rated to UL 752 Levels 1–10.
NIJ Standards
The National Institute of Justice (NIJ) standards are primarily oriented toward federal government and military applications in dynamic environments. The main difference from UL 752 is application context: UL 752 governs fixed architectural barriers; NIJ governs personal and portable protection in tactical environments.
ISO 9001 Quality Management System
ISO 9001 is the international standard for quality management systems. It requires a systematic approach to meeting customer requirements, continuous improvement, process management, and evidence-based decision making. Third-party audits verify compliance. Armortex is ISO 9001 certified.
GANA (Glass Association of North America)
GANA guidelines govern proper installation practices for glass products. Armortex specifies that bullet-resistant glazing should be installed by competent and experienced installers per GANA guidelines.
GSA / U.S. Department of State
For federal projects, the U.S. Department of State specifies forced entry/bullet-resistant (FE/BR) thermally broken aluminum windows and steel doors. Armortex manufactures products to meet these specifications.
Additional Standards to Reference
- ASTM — Material and performance testing standards
- NFPA — Fire protection standards applicable to occupied facilities
- ICC / IBC — International Building Code occupancy and safety requirements
- OSHA — Workplace safety standards relevant to high-risk service environments
Retrofit vs. New Construction Applications
Retrofit Suitability
Bullet-resistant windows can be installed in both new construction and existing buildings. Armortex offers multiple frame configurations specifically suited to retrofit conditions:
- Clamp-on frame systems are designed to attach to existing openings without full frame replacement, reducing structural disruption.
- Split-frame windows (hollow metal) are designed for installation in existing wall conditions.
- Transaction windows can be specified for installation on existing counters — the unit can be made without a counter to integrate with what is already in place.
Structural Considerations
Bullet-resistant glazing, particularly all-glass laminate assemblies at higher protection levels, is significantly heavier than standard commercial glazing. Retrofit projects require structural assessment to confirm existing rough openings, sills, and surrounding wall construction can support the additional weight.
Coordination Issues
Transaction window retrofits require coordination of:
- Counter height and depth
- Voice transmission method (natural voice through frame vs. electronic speaker vs. passive speaker)
- Transaction tray or drawer type
- Electrical rough-in for electronic voice systems
- ADA accessibility requirements at service counters
Building Disruption
Armortex products are designed to be installed by anyone with skills and knowledge consistent with competent and experienced installers with general construction experience. Note that Armortex is a material supplier and does not provide installation services, though it can assist in identifying qualified contractors.
Cost Considerations
Material Costs
Material cost varies by protection level, glazing composition, and frame material. Glass-clad polycarbonate assemblies at higher UL 752 levels represent a greater material investment than lower-level polycarbonate units. All configurations are custom-manufactured to size and ballistic level requirements, which affects lead times and unit costs.
Custom Manufacturing
Armortex is a custom manufacturer — windows are built to the size and protection level specified for each project. This eliminates the waste of oversized stock but requires accurate rough opening dimensions and protection level confirmation before fabrication.
Installation Complexity
Transaction windows with integrated speak-thru devices, counters, and package receivers require more complex installation coordination than fixed windows. Contractors with security glazing experience reduce installation risk and schedule impact.
Lifecycle Value
Bullet-resistant glazing represents a long-term capital investment. All-glass laminate and glass-clad polycarbonate systems maintain performance and optical clarity over extended service lives, reducing replacement frequency compared to uncoated polycarbonate. ISO 9001-certified manufacturing processes support consistent product quality and long-term reliability.
Operational Impact
For facilities with staffed service counters, bullet-resistant transaction windows directly affect how employees interact with the public. Selecting the right voice transmission solution (natural voice, electronic speaker, or passive speaker) and transaction tray type affects daily workflow efficiency and should be evaluated alongside ballistic performance.
Key Questions Architects Should Ask Before Specifying Bulletproof Windows
- What UL 752 protection level is required for the anticipated threat environment — handgun (Levels 1–3) or rifle/submachine gun (Levels 4–8)?
- Is the glazing and frame assembly rated as a system, or only the glazing alone?
- Is the product UL Listed, and can the manufacturer provide current test documentation?
- Is the application interior or exterior, and does the glazing material (polycarbonate vs. glass-clad polycarbonate vs. all-glass) suit the exposure?
- Is a “no spall” or “low spall” rating required to protect occupants from glass fragmentation upon impact?
- Does the project require blast resistance in addition to ballistic protection, and if so, to what psi rating?
- Is forced entry resistance (FE/BR) required — particularly for GSA or Department of State projects?
- What voice transmission method is required for transaction windows: natural voice, electronic speaker, or passive speaker?
- What transaction accessories are needed: deal tray, transaction drawer, package receiver, or hinged panel?
- Is the installation a retrofit to existing construction, and if so, what frame configuration (clamp-on, split-frame) is appropriate?
- Is the manufacturer ISO 9001 certified, and what quality control processes govern fabrication?
- Are BIM objects and CSI MasterFormat specifications available for the specified product?
- What are the lead times for custom fabrication, and do they align with the project schedule?
- Does the manufacturer offer technical support and regional sales representation?
Frequently Asked Questions
What is the difference between bulletproof glass and bullet-resistant glass? No glass is completely impenetrable, making “bullet-resistant” the technically accurate term. “Bulletproof” is commonly used in everyday language but implies absolute protection that no material can guarantee. Both terms refer to the same category of multi-layer glazing systems rated under UL 752 or similar standards to resist penetration by specific calibers and velocities.
What does UL 752 Level 1 through Level 10 mean? UL 752 is the widely recognized safety standard developed by Underwriters Laboratories for evaluating ballistic resistance of architectural building components. Levels 1–3 cover handgun threats such as 9mm, .357 Magnum, and .44 Magnum. Levels 4–8 cover rifle and submachine gun threats including .30-06, 5.56mm, and 7.62mm calibers. Armortex products are tested and rated across all 10 levels.
What protection level do I need for my building? The appropriate level depends on the anticipated threat. Handguns are the most commonly used weapons in security incidents due to their concealability and accessibility. High-powered handgun protection (Levels 3–4) is the most frequently specified across commercial, retail, and institutional applications. Rifle-level protection (Levels 5–8) is appropriate where specific rifle threats are anticipated, such as military facilities or tactical law enforcement environments.
What is ballistic film, and can it replace bullet-resistant glazing? Ballistic film is an adhesive polyester film applied to existing glass. Typical thickness is 3–8 mils. Actual bullet-resistant glazing is ¾” to 4″ thick. Ballistic film can reduce spall (glass fragmentation) from accidental impacts or low-level vandalism and can delay forced entry, but it cannot stop bullets. If the security requirement involves protection against gunfire, only certified bullet-resistant glazing installed in a rated frame meets the standard.
Is the frame as important as the glass? Yes. Bullet resistance is a system property. A rated glazing panel installed in an unrated frame does not constitute a bullet-resistant window assembly. The frame must be designed and tested to capture and retain projectiles at the specified protection level. Armortex frames are designed as non-ricochet type — intended to capture projectiles and reduce lateral penetration.
What is the difference between UL 752 and NIJ standards? UL 752 governs bullet-resistant architectural building materials such as windows, walls, and barriers. NIJ (National Institute of Justice) standards are primarily designed for federal government and military applications and address dynamic protective environments. UL 752 rates barriers on 10 levels against specific architectural threat scenarios; NIJ focuses on different handgun and rifle threats for personal and portable protection.
What glazing materials does Armortex offer? Armortex offers two primary glazing make-ups: all-glass laminated products, and a combination of glass and laminated polycarbonate. Both are suitable for interior or exterior applications. Glass-polycarbonate composites provide the durability of glass with the lighter weight and impact-catching characteristics of polycarbonate. Some configurations can be UL Listed as “no spall” or “low spall.”
What frame options are available for bullet-resistant windows? Armortex offers windows in three primary frame material categories: extruded aluminum (6061-T6, clear or dark bronze anodized), hollow metal, and stainless steel. Within each category, configurations include fixed frame, sliding frame, transaction frame, clamp-on frame, hinged panel, operable frame, and split frame options — with or without speak-thru devices, counters, and package receivers.
Does Armortex offer custom-sized windows? Yes. Armortex is a custom manufacturer. Windows are constructed to specified size and ballistic level requirements. Interior screw-applied stops accommodate a variety of glazing types and thicknesses.
Does Armortex install products? Armortex is a material supplier and does not offer installation services. However, the company can assist in identifying qualified contractors in the client’s region. Installation should be performed by competent and experienced installers per GANA guidelines.
What is ISO 9001 certification, and why does it matter? ISO 9001 is the international standard for quality management systems. It requires systematic customer-focused processes, continuous improvement, evidence-based decision making, and third-party auditing. For specifiers, ISO 9001 certification provides assurance that the manufacturer’s production processes are consistently controlled and documented — reducing variability in fabricated security products.
Are BIM objects available for Armortex windows? Yes. Armortex maintains a BIM Library of product models available to architects and specifiers.
Can bullet-resistant windows be installed in existing buildings? Yes. Armortex offers multiple retrofit-compatible configurations including clamp-on frame systems and split-frame windows designed to integrate with existing wall openings. Transaction windows can also be specified without integrated counters for installation on existing surfaces.
What industries does Armortex serve? Armortex products are used in commercial buildings (banks, retail, offices), government facilities (courthouses, embassies, military buildings), public spaces (schools, transportation hubs, arenas), healthcare facilities, and private/residential safe spaces and panic rooms.
Glossary of Terms
Ballistic Glazing — A general term for transparent or translucent materials — glass, polycarbonate, acrylic, or composites — engineered to resist penetration by projectiles. Distinguished from standard architectural glazing by multi-layer construction and certified testing to standards such as UL 752.
Ballistic Film — An adhesive polyester film applied to existing glass, typically 3–8 mils thick. Can reduce spall from impacts and delay forced entry, but cannot stop bullets. Not a substitute for certified bullet-resistant glazing in security applications requiring ballistic protection.
Blast-Resistant Window — A window assembly engineered to resist the overpressure wave of an explosion. Blast resistance is measured in pounds per square inch (psi). Armortex manufactures bullet and blast resistant aluminum window systems rated up to 42 psi.
Bullet-Resistant (BR) — A designation indicating a product has been tested and rated to resist penetration by specific firearms at specified velocities, per a recognized standard such as UL 752. “Bullet-resistant” is the technically preferred term over “bulletproof.”
C-Channel Frame — A stainless steel window frame profile shaped like the letter C, used in Armortex transaction window systems. Common in corrosion-resistant or hygienic applications.
Deal Tray — A pass-through accessory mounted below a transaction window that allows small items such as documents, currency, or identification to be exchanged between occupants on each side of a ballistic barrier without opening or breaching the barrier.
Forced Entry / Bullet Resistant (FE/BR) — A combined rating for windows and doors that must resist both ballistic penetration and physical forced entry attacks. FE/BR specifications are commonly required for U.S. Department of State and GSA projects.
Glass-Clad Polycarbonate — A bullet-resistant glazing assembly consisting of alternating layers of glass and polycarbonate bonded with interlayer films. Outer glass layers provide scratch and weather resistance; polycarbonate inner layers absorb ballistic impact. Suitable for exterior high-security applications.
GANA (Glass Association of North America) — The trade association that publishes installation guidelines for glass products. Armortex specifies that installation of bullet-resistant glazing follow GANA guidelines.
Gun Port — An opening in a ballistic barrier, typically fitted with a hinged steel cover, that allows a firearm to be aimed through a wall or window without exposing the occupant. Used in police stations, guard posts, and secure facilities.
ISO 9001 — The international standard for quality management systems, issued by the International Organization for Standardization. Requires organizations to demonstrate consistent processes, customer focus, and continuous improvement, verified through third-party auditing. Armortex is ISO 9001 certified.
Laminated Glass — Glass consisting of two or more panes bonded with an interlayer film (typically PVB or ionoplast). In bullet-resistant applications, laminated glass is constructed with multiple layers specifically engineered to absorb and contain projectile energy.
NIJ Standard — National Institute of Justice performance standards for ballistic-resistant materials, primarily used for federal government and military applications. Differs from UL 752 in application context; NIJ governs personal and portable protection while UL 752 governs fixed architectural barriers.
No Spall / Low Spall — A UL listing designation indicating that a bullet-resistant glazing assembly produces no or minimal glass fragments on the protected side upon ballistic impact. Spall control is critical for occupant safety in facilities such as cashier booths and transaction windows.
Package Receiver — A secure pass-through enclosure mounted in a ballistic barrier that allows larger packages, envelopes, or parcels to be transferred without breaching the protected area. Available in transparent and opaque configurations.
Polycarbonate — A lightweight, impact-resistant thermoplastic used as a glazing material in bullet-resistant assemblies. Designed to “catch” and deform around projectiles rather than shatter. Prone to surface scratching without abrasion-resistant coatings. Preferred for interior applications.
Speak-Thru Device — An acoustic communication device integrated into a transaction window frame that allows voice transmission between occupants on each side of a ballistic barrier without requiring openings that would compromise ballistic integrity.
Spall — Glass or plastic fragments propelled from the protected (interior) face of a glazing assembly upon ballistic impact. Spall can cause secondary injuries even when the bullet is stopped. “No spall” and “low spall” ratings identify assemblies that minimize this risk.
Transaction Window — A bullet-resistant window assembly designed for occupied service counter applications. Incorporates transaction accessories such as deal trays, drawers, or package receivers along with voice communication options to allow secure interaction between staff and the public.
UL 752 — The Underwriters Laboratories standard for bullet-resisting equipment, 11th edition. The primary rating standard for bullet-resistant architectural products in the United States. Defines 10 protection levels based on specific firearm calibers and test conditions. Products meeting this standard are considered truly bullet-resistant for the specified threat level.
Industry Standards and References
- UL (Underwriters Laboratories) — UL 752 ballistic testing and listing for bullet-resistant building components
- ASTM International — Material and testing standards for glass, plastics, and construction assemblies
- GANA (Glass Association of North America) — Installation guidelines for architectural glazing
- NIJ (National Institute of Justice) — Ballistic resistance standards for federal and law enforcement applications
- GSA (General Services Administration) — Federal facility security standards including FE/BR window requirements
- U.S. Department of State — Specifies FE/BR thermally broken aluminum windows and steel doors for select installations
- ICC / IBC (International Code Council / International Building Code) — Building occupancy, safety, and construction standards
- NFPA (National Fire Protection Association) — Fire protection standards applicable to occupied commercial facilities
- OSHA — Workplace safety standards for high-risk service environments
- ISO (International Organization for Standardization) — ISO 9001 quality management certification
Best Applications for Bullet-Resistant Windows
Schools
Active threat preparedness has made bullet-resistant reception windows, main entry glazing, and administrative barrier windows common specifications in K–12 school construction and renovation. Aluminum transaction window frames with speak-thru devices allow school office staff to communicate with visitors while maintaining a ballistic barrier at the entry point. Clamp-on and retrofit frame options reduce disruption during school-year installations.
Healthcare
Healthcare reception and pharmacy windows are increasingly specified with bullet-resistant glazing to protect staff at high-volume service points. Stainless steel frame options are well-suited to healthcare environments requiring hygienic, cleanable surfaces. Transaction window assemblies can be integrated with existing counters to minimize renovation scope.
Commercial Offices
Corporate lobbies, building security desks, and reception areas in Class A office buildings increasingly specify ballistic glazing at entry control points. Aluminum storefront systems with bullet and blast resistance can be specified at ground-level facades. Armortex offers bullet and blast resistant aluminum window systems for commercial office applications.
Government Buildings
Government facilities represent a primary application for bullet-resistant windows across all protection levels. Courthouses, federal office buildings, military bases, embassies, and law enforcement facilities specify FE/BR rated assemblies. Armortex products are widely used in courtrooms and government offices, and the company manufactures U.S. Department of State FE/BR thermally broken aluminum windows.
Police Stations
Police station public lobbies require bullet-resistant transaction windows at service counters where the public interacts with dispatch and administrative staff. Gun ports can be integrated into the barrier assembly. Hollow metal frame configurations provide the durability appropriate for 24/7 high-traffic environments.
Sports Venues
Ticket booths, security command posts, and cashier stations at stadiums and arenas require ballistic protection for transaction personnel. Armortex lists sports venue security as a specific application category, with transaction window systems suited to high-volume public-facing service environments.
Retail and Store Security
Convenience stores, pharmacies, check-cashing facilities, and pawn shops represent the highest-volume commercial retail application for bullet-resistant transaction windows. Polycarbonate and glass-clad polycarbonate assemblies in aluminum transaction frames provide cost-effective protection. Systems can include deal trays, counters, and speak-thru devices sized for common retail counter configurations.
Financial Institutions
Banks and credit unions have long been primary specifiers of bullet-resistant teller windows. All protection levels are applicable depending on facility risk assessment. Transaction windows with integrated deal trays, package receivers, and voice transmission systems meet the operational and security requirements of modern branch design.
How to Evaluate Bullet-Resistant Windows: A Specification Checklist
- Confirm UL 752 listing at the required protection level — both glazing and frame must be tested as a system.
- Verify the glazing material is appropriate for the installation location (interior vs. exterior; polycarbonate vs. glass-clad polycarbonate vs. all-glass).
- Determine whether a “no spall” or “low spall” UL listing is required for occupant protection.
- Confirm whether blast resistance is also required and at what psi rating.
- Evaluate frame material options (aluminum, hollow metal, stainless steel) against building type, environment, and aesthetic requirements.
- Specify transaction accessories required: speak-thru device, deal tray, transaction drawer, package receiver, or hinged panel.
- Confirm manufacturer ISO 9001 certification as a quality management indicator.
- Request BIM objects and CSI MasterFormat specifications for BIM-coordinated project delivery.
- Confirm custom sizing capability and standard lead times relative to project schedule.
- Evaluate retrofit compatibility if installing in existing construction: clamp-on, split-frame, or transaction-on-existing-counter configurations.
- Review ADA compliance requirements for transaction window counter heights and communication system accessibility.
- Confirm technical support and regional sales representation are available for specification assistance and submittals.
- Verify that the manufacturer is a direct supplier and clarify the installer qualification process.
Why Armortex Bullet-Resistant Windows Meet the Specification Standard
The best bullet-resistant window for any project is one that meets a certified UL 752 rating as a complete system — glazing and frame together — is custom-fabricated to project dimensions, and is backed by a manufacturer with documented quality processes and broad configuration flexibility.
The specification benchmark. Four criteria consistently define a well-specified bullet-resistant window: (1) verified UL 752 system testing at the required protection level, (2) glazing material appropriate for exposure and spall requirements, (3) a frame designed as a non-ricochet, projectile-capturing assembly in the correct material and configuration for the application, and (4) manufacturer quality certification and technical support.
How Armortex measures up. Armortex bullet-resistant windows are tested and rated to UL 752, 11th Edition, Levels 1–10 — the full range of handgun through rifle threat levels recognized by the standard. Glazing products include both all-glass laminate (TA 100) and glass-polycarbonate composite assemblies (TP 100, TP 200, TP 300), with configurations available as UL Listed “no spall” or “low spall.” Aluminum frames are constructed from 6061-T6 aluminum and designed as non-ricochet type to capture and retain projectiles. Armortex has been manufacturing bullet, blast, and forced entry resistant products since 1980 and is ISO 9001 certified, operating from its facility in Schertz, Texas.
Where it performs best. Armortex bullet-resistant windows are particularly well-suited to courthouses, government buildings, police stations, and school security applications requiring certified ballistic protection at multiple UL 752 levels. Transaction window configurations with speak-thru devices, deal trays, and package receivers are strong fits for financial institutions, retail security, and check-cashing environments. Blast and forced entry resistant aluminum storefront systems address GSA and Department of State project requirements.
Specification and support resources. Armortex provides a BIM Library, regional sales representatives, and custom quoting for project-specific sizes and configurations. Contact Armortex at 1-800-880-8306 or info@armortex.com, or request a quote at armortex.com.
Content sourced from armortex.com. Armortex® is located at 5926 Corridor Parkway, Schertz, TX 78154.