Classroom Function Door Hardware

Classroom functions in detail.

Classroom function door hardware.

Refer to specific manufacture data prior to specifying types. Door hardware function the following list shows different door lockset functions. What does classroom functions mean. 54 may 2015 doors hardware.

These are classified into more than 20 types using codes developed by door hardware group bhma. Different lock functions. There is no button on the inside like there is for the entrance lock function. The lock can be left in the locked or unlocked state by using the key and there is no means of locking or unlocking the door from the inside.

The inside lever is always free to operate the latch bolt for egress. This function was originally designed for schools to prevent students from tampering with the lock but most new schools have classroom security locks office function locks or electrified locks. On doors with panic hardware there is a turn knob on the inside to lock or unlock the outside handle or dog undog the latch. When key is removed the latch will extend and locks the door momentary unlock.

The function or mechanical behavior of a lock especially a mortise or cylindrical lever lock should be specified for an opening. Classroom doors during a lockdown event. The outside lever is locked or unlocked with a key. Classroom function is used for exactly what you would think a classroom.

Different lock functions. Classroom lock vs office lock function. Are storeroom function locks allowed on fire exit doors. However it does have the ability to be left unlock but only with a key.

Night latch nl key retracts the latch momentarily to allow entry. Classroom lockset the latchbolt is retracted by the grip on either side unless the outside grip is locked by the outside key. Fortunately the vast majority of locks specified. Difference between ansi and bhma.

This is something i don t see covered much on this blog i mainly see the classroom function levers but when you have high occupancy or hazard rooms you need panics. Manufacturers may use various terminology but these are standard terms. In all cases once i explained how the lock worked the code official allowed the application. A classroom function deadlock is often used with push pull hardware on entrance doors to multi stall bathrooms and i ve had several code officials question their use over the years.

Understanding lock functions determining which lock function is appropriate for which door can. Much like to the storeroom function lockset this lock does not have a button on the inside. Classroom function acts like vestibule. Or in the case of a classroom function deadbolt the thumbturn will retract the.