Certifications & Listings
Explore Willoughby Locking Systems’ detention lock certifications and listings for security, durability, fire resistance, and reliable performance.
Explore detention locks and hardware listed to UL 10C requirements for positive-pressure fire testing and use in applicable fire-rated door assemblies.
Explore detention locks and hardware tested to ASTM F1450 requirements for strength, operational reliability, and resistance to physical attack in high-security correctional facilities.
Explore detention locks and locking devices tested to ASTM F1577 requirements for durability, security, tamper resistance, and forced-entry performance in correctional environments.
Explore detention hinges tested to ASTM F1758 requirements for durability, strength, security, and reliable operation in correctional and high-security facilities.
Explore high-security locks and cylinders listed to UL 437 requirements for resistance to picking, drilling, forced entry, and other common attack methods.
Explore electric locking mechanisms listed to UL 1034 requirements for strength, forced-entry resistance, and reliable operation in burglary-resistant access-control applications.