Written By: Brad Campbell | February 14, 2024
Bulletproof glass, also known as bullet-resistant glass or ballistic glass, works to protect people and property from ballistic attacks, but there are a lot of misconceptions floating around out there about exactly how bulletproof glass works.
The most dangerous of these misconceptions is that bulletproof glass is 100% bulletproof. This is simply not true — any bullet-resistant or ballistic-grade glass can eventually be penetrated, either by high-powered ammunition or a high volume of shots.
In this comprehensive guide, we’ll give you all the facts you need to know about how bullet-resistant glass works, what the different types are, how it can be used to reinforce commercial glass doors and windows in different applications, and more.
The term "bulletproof glass" encompasses various types of ballistic-grade security glass and non-glass glazing engineered to withstand specific levels of ballistic assaults. These materials undergo rigorous testing and certification according to industry standards such as the Underwriters Laboratories (UL) UL 752 rating system.
Bulletproof glass comprises multiple layers of diverse materials, including laminated security glass, polycarbonates, and plastics. The arrangement of these layers determines the glass's ballistic resistance, which can vary from stopping handgun rounds to withstanding assault rifle fire.
Upon impact, bulletproof glass disperses the kinetic energy of the projectile, halting its trajectory and preventing penetration. This effect is akin to a cushion that absorbs and neutralizes ballistic impacts, thwarting the passage of bullets or ricochets.
The effectiveness of bulletproof glass depends on its specific ballistic resistance rating. While higher-rated glass can withstand more powerful firearms, lower-rated variants may offer limited protection against sustained attacks.
Bullet-resistant glazing finds application across various commercial settings, from corporate offices to educational institutions. Installation methods include retrofitting existing glass with security glazing or replacing it entirely with bullet-resistant materials. These measures bolster security at vulnerable entry points and critical interior spaces.
Even if breached, bulletproof glass serves as a barrier against forced entry, impeding attackers from infiltrating buildings during active threat situations. This denial of access can significantly enhance the safety of occupants and deter potential assailants.
Bulletproof glass, or ballistic-grade security glazing, serves as a crucial protective measure against ballistic attacks, yet it's important to remember that it’s not 100% bulletproof. Its multiple layers work to disperse kinetic force, stopping projectiles, but it can always eventually be penetrated.
Despite the limitations of ballistic glass, it can be effectively used for various applications in commercial settings, offering high security and, above all else, access denial, ultimately enhancing the safety and security of building occupants.
Riot Glass, LLC offers a full line of bullet-resistant security glazing products and services. Contact us today for a free consultation.
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