Is a mortice lock or a surface mounted lock better?

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Neither is better in every case: it depends on the door and what you are after. A mortice lock sits inside the door leaf; a surface mounted lock is screwed to the inner face.

Mortice. It is the usual one on house doors and security doors. It looks neat, protected inside the door, and is worked with the handle and the key. It needs a door that is thick enough.

Surface mounted. It is fitted on the inside, without cutting into the door. It is very useful as a second lock, above the main lock, and on thin doors, storeroom or warehouse doors, where a mortice lock will not fit.

What many people do is combine them: the mortice as the main lock and a surface mounted deadbolt as reinforcement. We help you choose in lock installation.

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Security lock installation

Installation of new security locks, mortice or surface-mounted, chosen according to the door, the frame and how you use it.

Related terms

Other questions on this topic

What are the advantages of a hidden lock?

It cannot be seen or attacked from outside. It is a second mechanical lock, fitted on the inside, that throws off anyone trying to get in. Read the full answer

What is a FAC style security deadbolt?

It is a surface mounted security deadbolt fitted on the inner face of the door, usually above the lock, as a second lock. Read the full answer

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Locks

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