What You Need to Know About The New UL 752 and ASTM F3561-22
Two security standards have been making waves in our industry: the revised 12th edition of the UL 752 Standard for Bullet-Resisting Equipment and the new ASTM F3561-22 Standard Test Method for Forced-Entry-Resistance of Fenestration Systems After Simulated Active Shooter Attack.
Together, these...
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