Bullet-Resistant Glazing Standards and the Best Ballistic Window Materials

Executive Summary Bullet-resistant glazing — commonly, but incorrectly, called bulletproof glass — comprises multi-layer transparent assemblies rated to UL 752 Levels 1–10 and engineered to absorb and distribute the energy of a projectile and prevent penetration. Rated glazing ranges from…

UL 752 Bullet-Resistant Design Guide for Architects: Levels, Specification, and Cost Resources

Architects and specifiers working on bullet-resistant openings need four things: the correct terminology and standard (UL 752, not "bulletproof"), a specification sequence that starts with a threat assessment, level-by-level technical data on threats and panel thickness, and a realistic view…

What Is Required to Register a Course with AIA CES as a Building Product Manufacturer?

AIA CES: What It Is and Why It Matters The AIA Continuing Education System (CES) is the framework through which the American Institute of Architects manages, tracks, and reports continuing education credits for its members. The AIA CES registers and…

What Ballistic Protection Rating Do I Need? Matching Threats to the Right Fiberglass Panel

Quick Summary for Architects Choosing a ballistic protection rating means matching the assessed threat — the specific weapon, ammunition, and number of shots — to the corresponding UL 752 level. Handgun threats (9mm, .357 Magnum, .44 Magnum) map to UL…

UL 752 Ballistic Levels Explained: Which One Does Your Building Actually Need?

Bigger numbers do not mean more armor. UL 752 levels each describe a specific weapon, not a ladder from weak to strong. The three articles below unpack what the ratings actually mean, where each one belongs, and the one mistake…

Where Are Bullet-Resistant Fiberglass Panels Used? A Guide to Applications

Quick Summary Bullet-resistant fiberglass panels are opaque composite barriers concealed inside walls, casework, doors, and counters to protect occupants in high-risk environments. Because they are lightweight, fire-rated, and easily hidden behind standard finishes, they are commonly specified in schools, banks,…

UL 752 Bullet-Resistant Fiberglass Wall Panels: Levels, Thickness, Threats, and Where Each Applies

Quick Summary for Architects Bullet-resistant fiberglass wall panels are UL 752 rated composite panels used to stop handgun and rifle fire inside commercial and institutional buildings. They are manufactured from layers of woven ballistic-grade fiberglass bonded with thermoset resin and…

Can AIA Continuing Education Courses Help a Manufacturer Increase Market Share?

Quick Summary  Yes. AIA continuing education courses help building product manufacturers increase market share by creating specification opportunities with architects who control product selection on building projects. Ron Blank & Associates states that most manufacturers fail at increasing market share…

Ballistic Glass | UL 752 Level 1–10 | Bulletproof Windows

Quick Summary Ballistic glass — accurately, bullet-resistant glazing — is transparent armor engineered to stop firearm projectiles, used in bulletproof windows and transaction barriers. It is rated under UL 752 across Levels 1–10, from handgun threats (Levels 1–3) to rifle…

How To Specify Bullet Proof Wall Panels

Quick Summary Bullet proof wall panels — accurately, bullet-resistant wall panels — are rigid composite fiberglass sheets installed within interior walls to stop firearm projectiles without a visible sightline. They are rated to UL 752 Levels 1–8 and specified in…

UL Bullet Resistant Fiberglass Panels | Ballistic Wall Panels

Short answer: UL bullet resistant fiberglass panels — also called ballistic wall panels — are opaque, rigid composite sheets installed inside walls to stop firearm projectiles without a visible sightline. They are rated to UL 752 Levels 1–8(handgun through rifle threats) and…

What Is the Best Bullet Proof Glass For Security?

TL;DR: There is no single "best" bulletproof glass — the right choice depends on your threat level, whether the opening is interior or exterior, and your budget. For interior security counters, laminated polycarbonate (lightweight, no-spall) is usually best. For exterior, weather-exposed…

Best Bullet Proof Glass: A Specifier’s Guide to Bullet-Resistant Glazing

Quick Summary for Architects Bullet proof glass — more accurately called bullet-resistant glazing — is a transparent security material engineered to stop or slow firearm projectiles without shattering. It is commonly specified for banks, courthouses, schools, police stations, government buildings,…

The 5 Types of Bullet-Resistant Glass Used By Architects

Quick Summary for Specifiers Bullet-resistant glazing — commonly called “bulletproof glass” — is a layered or monolithic transparent security material engineered to absorb and stop projectiles fired from handguns, rifles, and shotguns. Rated under UL 752 (Levels 1 through 10),…