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What is a ‘key and turn’ cylinder lock?

This particular type of cylinder lock is key operated externally and has an internal knob, called a thumbturn. Different styles are available, depending on the manufacturer. The internal thumbturn mechanism will enable you to easily lock and unlock the door from inside, if required, while allowing access from outside with the key. This prevents accidental…

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What is a multi point locking system?

A multi-point locking system is generally found on PVC doors but are also found on wooden, composite and aluminium doors and comprise of a minimum of three locking points that all lock simultaneously by lifting the handle and/or turning the key and if they are a main entrance, then for insurance purposes you will need…

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What locks should I have on my wooden French windows/ double doors?

Different insurance companies have different requirements regarding French windows / double back doors. Some ask just for a 5 lever British Standard BS3621 mortice lock fitted to the first opening door (leaf), either a sashlock or a deadlock. A sashlock is a lock which has a latch as well as a bolt and works with…

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What locks should I have on my wooden back door?

Different insurance companies have different requirements regarding back doors. Some ask just for a 5 lever British Standard BS3621 mortice lock, either a sashlock or a deadlock. A sashlock is a lock which has a latch as well as a bolt and works with a pair of handles and a key from both sides. A…

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What locks should I have on my PVC front door?

Most PVC doors are fitted with a multi-point locking system. This is a lock that when you lift the handles up, throws locking devices from the lock mechanism in the door into strike plates situated on the frame. You also need to turn the key in the cylinder to fully lock the door which also…

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What locks should I have on my wooden front door?

Traditionally on a wooden front door you would have a rim lock/ Nightlatch, often referred to as a Yale lock, which is normally fitted around shoulder height for convenience opening the door and latches shut when you close the door. You should also have a 5 lever British Standard BS3621 mortice deadlock, often referred of…

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What is a 5 lever British standard BS3621 mortice deadlock?

A 5 lever British Standard BS3621 mortice deadlock is a lock which is required by insurance companies to be fitted to all external wooden doors. It is morticed, cut into, the edge of the door and is operated by a key from both sides. The deadbolt, which is thrown by the key, engages into a…

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What is a mortice deadlock?

A mortice deadlock is a lock which is morticed, cut into, the small edge of a door and is operated with a key from both sides. When the key has been turned to lock the lock a bolt is thrown which can not be pushed back into the lock, you need a key to unlock…

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What Is a Chubb lock?

Chubb was a manufacturer of locks. The Chubb brand has recently been incorporated with Yale locks and Union locks as they are all owned by the same company, Assa Abloy. Chubb made rim locks, deadlocks, window locks and other secondary security products like key operated locks, door chains etc. People often call a mortice deadlock…

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