![]() ![]() Similar to the other sash locks, there are industry standard sizes with the most popular being 2.5 inch and 3 inch. This type of lock is a popluar choice for front doors as it has many benefits, including the ability to change the cylinder without having to remove the entire sash lock from the door.Ī bathroom sash lock is designed to be fitted with a door handle and a bathroom turn and release. It has a larger lock profile to house a cylinder lock. As with the 3 lever sash locks there are industry standard sizes, with the most commonly used size for front doors being the 2.5 inch with a backset of 44mm and 57mm centres (as in the example in the drawing above).Ī Euro Profile Lock is also a sash lock for exterior doors. When choosing your sash lock make sure it complies with British Standard BS3621 regulations and has the kitemark on the case body. The centres measurement is also important and this refers to the distance between the centre of the mortice bar fitting hole and the centre of the keyhole - this is most commonly 57mm. Please also note the industry standard lock backset measurement of 44mm and 57mm respectively. There are different types and sizes of sash lock with 2.5 inch and 3 inch the most commonly used. The example shown above is a 3 inch deadbolt.Ī sash lock has a case body with an integrated latch/catch and lock mechanism for fitting a door handle/door knob to a door. This simple lock bolt is mortice-fitted into the door and has a backset hole for the mortice bar of the turn and release thumbturn. Liquid error (snippets/article-double-promotion line 146): product form must be given a productĪ deadbolt is usually used for locking bathroom doors and is manually operated with an additional turn & release mechanism. Safety Tip: keep a copy of the key in an easily accessible place in the event of emergency situations such as a house fire. The example in the drawing above is a 3 inch deadlock from the Old English collection. Deadlocks are usually supplied with two keys, a matching forend and striker in a choice of finishes. This is a good choice, however, for internal rooms where privacy is required and lockable access is needed from both sides. As the name implies, there are only 3 levers in this type of lock, which makes it unsuitable for external doors. 3 Lever Deadlocksģ lever deadlocks are for internal wooden doors. When choosing your 5 lever lock, make sure it has the British Standard BS362 kitemark. This makes it more difficult to copy keys or break into. Required by insurance companies, a 5 lever deadlock is suitable for an exterior door and provides security in the form of additional "levers" inside the lock. These deadlocks are commonly fitted in wooden front or back doors. A standard deadlock has 3 inch case with a backset (distance from the edge of the door to the centre of the keyhole) of 57mm. When choosing the right deadlock you will also need to make sure you choose the right size for your door. These types of locks are available as either 3 or 5 lever. A deadlock is a lock bolt only and does not have a latch/catch section for the operation of a door knob/handle. Read on to discover what a deadlock is and if you need one!Ī mortice deadlock is designed to be fitted into the timber edge of a door and allows the door to be manually locked from both sides with a key. It can, however, be confusing to know which type of mortice lock you need. What is the difference between a deadlock, deadbolt and sash lock? If you are fitting a new internal door in your home, and want to have a lock, you will need to choose one of these. ![]()
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