Industry security standards, for access control and personnel door locks, ensure the quality and durability of locks within defined and agreed-upon benchmarks of durability, operational stability, and overall security offered by the device.
The two most highly recognized and widely accepted organizations for assessing the quality of locks are the American National Standards Institute (ANSI) and the Underwriters Laboratories (UL). In this post, we’ll dig into what the different ANSI grades mean, and which ANSI locks are best for you.
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Grade 2 locks are not expected to be as strong/durable as Grade 1 locks and are not ideal for commercial applications.
- Described by manufacturers as meeting most “light commercial requirements”.
- Grade 2 locks exceed most apartment building requirements and US-standard residential requirements.
- Most common application is apartment buildings, as Grade 3 locks meet most residential building requirements.
- Since Grade 3 locks are not as secure as Grade 2, they are not recommended for use on your main front/back doors, but could be used adequately on secondary/non-primary entry points.