Exterior Door Lock Functions

Door locks knobs and handles.

Exterior door lock functions.

The function or mechanical behavior of a lock especially a mortise or cylindrical lever lock should be specified for an opening. Door lock functions depending on the type of door lock you are working with i e. These are classified into more than 20 types using codes developed by door hardware group bhma. Find the right lock for your exterior and interior doors here.

Browse our selection of premium secure door locks entry door knobs and modern hardware from schlage. Lock functions determining which lock function is appropriate for which door can drive a specifier crazy. When it comes to choosing door hardware the most important consideration should be security. At lowe s we have hardware solutions for every door whether you need to secure your front door install sliding pocket doors in the bathroom or buy sliding patio door hardware for a side or back door.

As openings become increasingly complex so too are the options for securing them. Refer to specific manufacture data prior to specifying types. Manufacturers may use various terminology but these are standard terms. Most types will allow you to push the button in or push it in and turn the button causing the lock to remain locked even after a key is inserted and used.

Lock the door using a push button on the inside of the door or with a key on the outside of the door. Locks with this function have a keyed cylinder facing the outside of the home and a thumbturn on the interior. The new design features a 70 mm rose plate providing easy coverage of previous paint marks in replacement applications. A typical manufacturer s catalog can offer upwards of 50 different lock functions making it difficult or even impossible to remember how each function works.

This lever is most effective for exterior doors where keyed entry and security is needed. Cylindrical mortise or exit device. A classroom lock might be used for a common office corridor or suite entry where key control of the lock is needed and a thumbturn or push button. An entry function lockset will have a small button on the inside of the knob lever allowing you to manually lock the door when you choose.

The relevant standard defining locks functions depends on the type of lock it is. Door locks can have over 50 locking functions available that meet any number of situations. Locksets that require a key to retract the latch or deadbolt on the inside are not recommended for egress use. 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.

The design provides easy installation with only a phillips screwdriver. There are 5 door lock functions that are essential and that you will see used on 99 999 of all projects.