Recommendation 54: Secure all interior doors with a Columbine lock such that the door can be locked from both sides and unlocked from inside without a key, tool, or special knowledge.
NH Department of Safety, Division of Fire Safety (Office of the State Fire Marshal)
Recommendation 54: Secure all interior doors with a Columbine lock such that the door can be locked from both sides and unlocked from inside without a key, tool, or special knowledge.