Door Locking Hardware: Des Plaines vs Tinley Park
How do door locking hardware rules compare between Des Plaines, IL and Tinley Park, IL?
Des Plaines and Tinley Park have similar restriction levels.
Des Plaines, 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 Des Plaines rules →Tinley Park, 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 Tinley Park rules →Key Facts Comparison
| Fact | Des Plaines | Tinley Park |
|---|---|---|
| Standard | IFC Section 1010 | IFC Section 1010 |
| Panic hardware | Group A, E, H, I over 50 occupants | Group A, E, H, I over 50 occupants |
| Unlatching | Single motion, no key | Single motion, no key |
| Mag locks | Alarm and manual release required | Alarm and manual release required |
| Code | Cook County Ch. 32 | Cook County Ch. 32 |
Highlighted rows indicate differences between cities.
Des Plaines 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.
Tinley Park 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.
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