Door Locking Hardware: Arlington Heights vs Chicago
How do door locking hardware rules compare between Arlington Heights, IL and Chicago, IL?
Arlington Heights and Chicago have similar restriction levels.
Arlington Heights, IL
Cook County
Cook County Building Code Chapter 32 incorporates International Fire Code Section 1010 governing means-of-egress door hardware: panic bars in assembly and high-occupancy uses, single-action unlatching, and limits on deadbolts, chains, and electromagnetic locks.
View full Arlington Heights rules →Chicago, IL
Cook County
Chicago Building Code MCC Ch. 14B and the International Fire Code §1010 require that doors in egress paths unlock from the inside without keys or special knowledge, with limited exceptions for delayed-egress and classroom barricade hardware.
View full Chicago rules →Key Facts Comparison
| Fact | Arlington Heights | Chicago |
|---|---|---|
| Standard | IFC Section 1010 | - |
| Panic hardware | Group A, E, H, I over 50 occupants | - |
| Unlatching | Single motion, no key | - |
| Mag locks | Alarm and manual release required | - |
| Code | Cook County Ch. 32 | - |
| Code section | - | MCC 14B-1010 egress |
| Standard adopted | - | IFC §1010 hardware |
| Panic hardware threshold | - | Assembly/Edu over 50 |
| Delayed-egress release | - | 15 seconds maximum |
| Stair re-entry | - | Every fourth floor minimum |
Highlighted rows indicate differences between cities.
Arlington Heights FAQ
Can I add a deadbolt to my office suite door?
Only if it is interconnected with the latch so a single motion releases both, and the door is not part of a required egress path with more than 50 occupants. Otherwise it violates IFC 1010.
Are classroom barricade devices allowed?
Illinois permits limited classroom security devices but they must allow free egress, not require special tools, and meet state Office of the State Fire Marshal guidance for active-shooter response.
Chicago FAQ
Can a Chicago school install classroom barricade devices?
Only devices meeting ANSI/BHMA A156.41 that allow free egress with a single motion and unlock from outside for emergency responders are permitted. Wedges and improvised barricades violate MCC 14B-1010.
Are deadbolts allowed on apartment unit doors?
Yes, but only if they release with the same motion as the latch. Double-cylinder keyed deadbolts that need a key from inside are prohibited on dwelling-unit egress doors under MCC 14B-1010.
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