AttackDefend™ Security Glazing for the Criminal Justice Sector

AttackDefend™ attack-resistant security glazing is created for use in correctional facilities, government buildings, court houses, post offices, police stations, rehabilitation facilities, and similar buildings.

AttackDefend™ is a multi-ply glass clad polycarbonate security glazing with a polycarbonate core and glass on both exposed surfaces for added durability, and is produced in four strength levels that meet ASTM F-1915 Grades 4 – 1: 10, 20, 40 and 60.

The key to safety and security glass is selecting the right solution for each application in a facility. Explore our product portfolio below. Can’t find what you’re looking for? Our experienced sales managers are here to help.

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Explore AttackDefend™ Security Glazing

AttackDefend™ attack-resistant security glazing is created for use in correctional facilities, government buildings, court houses, post offices, police stations, rehabilitation facilities, and similar buildings.

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Why Choose McGrory?

We offer customized support to fit your needs, and dedicated staff with over three decades of security glazing and interlayer/ lamination experience. Callemail, or submit a quote request online. We will get back to you within 24 hours.

Technical Details

Product NameForced Entry Performance Applicable StandardsMinimal Thickness (inches)Nominal Thickness (inches)Max Thickness (inches)Weight
AttackDefend™ 10ASTM F-1915 Grade 4 (10 minutes of physical attack); HP White TP-.0500.03 Level 1; HP White TP-.0500.03 – .38 Special (3 shot) Spall / No Bullet Penetration; 5-aa1 RatedANSI Z97.1 (Safety Cat I & II); ASTM C1036; ASTM C1349; ASTM C10480.520″0.570″0.620″5.216 lbs/ft²
AttackDefend™ 20ASTM F-1915 Grade 3 (20 minutes of physical attack)ANSI Z97.1 (Safety Cat I & II), ASTM C1036, ASTM C1349, ASTM C10480.67” 0.74”0.81”6.2 lbs/ft²
AttackDefend™ 40ASTM F-1233 Class 3.2, HP White TP-.0500.03 Level 2, *HP White TP-.0500.03 – Ballistic Level B – 9mm (3 shots) Spall / No Bullet Penetration *Ballistic Test PendingANSI Z97.1 (Safety Cat I & II), ASTM C1036, ASTM C1349, ASTM C10480.761”0.840”.917”6.87 lbs/ft²
AttackDefend™ 60ASTM F-1915 Grade 1 (60 minutes of physical attack)ANSI Z97.1 (Safety Cat I & II), ASTM C1036, ASTM C1349, ASTM C10480.90”1”1.08”7.84 lbs/ft²

Innovation. Experience. Grit.

We are McGrory Glass. Family-owned since 1984. Over 200,000 SF of manufacturing & fabrication facilities in 2022.

The McGrory Glass Defend™ line of life-safety glazing offers a wide selection of performance-related, threat-protection, security glazing and fire-rated products that protect against fire, human invaders, and ballistic weapons.

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FireDefend Testing Mid Test UL ASTM E Fire Resistive Security Glazing Testing

Looking for fire-rated glass and framing systems? McGrory is partnered with the best fire-rated suppliers in the industry – AGC, Forster, and SCHOTT.

Fire-Rated Glass, Glazing & Assembly Systems

Meet the Team

Chad Snyder Director of Security Products / Senior Specification Consultant
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Erin Bellis Senior Architectural Sales Rep
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Dan Laporte Director of Laminating Sciences
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Ben Haigh Senior Director, Fire-Rated Division
A About McGrory Glass Solar Powered

McGrory Glass Adds 76,000 Square Feet of Fire-Rated and Security Fabrication Capabilities

The family-owned and operated glass company recently opened a dedicated 76,000-square-foot facility to fabricate fire-rated and security glass, glazing, and framing systems for projects across North America, bringing their total to three facilities and over 200,000 square feet of production space.

D About McGrory Glass People Founders Mary and John McGrory

We Are McGrory Glass: Family, Innovation, Experience, Grit

We thank our clients, our team, and our partners for four decades of growth, and look forward to many more. Please join us in celebrating the past, present, and future – together.

Blake Whitcombe and Children at McGrory Glass Aston PA Location

Thankful for 35 Years of McGrory Memories & Looking to the Future

We’re also thankful to our founders, John and Mary McGrory, and to our staff, many of whom have grown up with the company. In fact, seven of John and Mary’s children work at McGrory Glass today. We love to say, “Everyone here is family!”

Family-owned for over 35 years, McGrory Glass is a national fabricator and distributor of architectural, fire-rated, and security glazing. We offer comprehensive solutions across sectors.