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A lot of problems with UPVC locks can be repaired without the need for an expensive replacement! At Cerberus Security we are experts in both uPVC and composite multi-point locking systems, we can either repair or replace all models, types and brands!

It can be difficult to find the correct uPVC lock replacement if it cannot be fixed, but we have all the required expertise to make sure you get the correct lock that suits your needs.

The most common problems we encounter are that the lock gets stuck, or the door or window lock is damaged or broken. No matter how big or small the problem is though, we can help.

We also carry supplies of spare uPVC locks so that we can fully replace a lock, should any problems arise.

For a competitive uPVC lock repair quote, call 01223 902234

uPVC Multi-Point Locking Mechanisms

uPVC Multi Point Locks Cambridgeshire

Multipoint locks are available in a variety of designs, but generally include a centrally located deadbolt and a live bolt (latch), at least two hook bolts and possibly a pair of compression bolts.

The bolts are normally operated by lifting the door handle from either side of the door leaf and are locked in place by the turn of a key from either face of the door or, if the door is the only means of escape, by an internal thumbturn.  The compression bolts, if fitted, and or the hook bolts pull the door tightly into the weather seals in the frame to keep it weather tight.  Some versions have additional bolting into the top and bottom frames and even into the hinge side of the frame.  There are others that automatically engage all the bolts as the door closes, but these tend to be a lot more expensive.

Most enhanced secure doorsets are fitted with multi-point locks, but there are still lots of enhanced secure timber and composite doors that still use the rim nightlatch and BS 3621 mortice lock combination.  There is a standard for testing and certifying multi-point locks: PAS 3621:2011 Multipoint locking assemblies. Keyed egress. Performance requirements and test methods. In the same vein as mortice locks and rim nightlatches they will be available with keyless egress (PAS 8621) and dual mode (PAS 10621).

The difference between solid & split spindle operation

For a long time there has been a debate about whether these multi-point locks should have a solid or split spindle operation on the outside handle. The police initiative for new homes, Secured by Design, doesn’t recommend a particular type, but there are advantages and disadvantages with both.

  • Split Spindles
    If your multi-point locking door has a split spindle it means that when you go outside and close the door you will need a key to get back in. This is because if you push down the outside handle it will not operate the latch bolt in the door. It is in fact the key that turns the latch bolt. Conversely the handle on the inside of the door will operate the latch bolt.
  • Solid Spindles
    If your door has a solid spindle it means that when you go outside and close the door you don't need a key to get back in. This is because pushing down the outside handle will operate the latch bolt in the door. The inside handle will also operate the latch bolt. If you live in a block of flats you are likely to have this type of spindle so you don’t accidentally lock yourself out.

Call Cerberus Security today to discuss your locking mechanisms - 01223 902234

Common uPVC lock faults

Here at Cerberus Security, we can often diagnose the majority of uPVC lock problems over the phone. You may be experiencing one of the following:

Security Upgrades for your uPVC Doors

Even the most secure multi-point lock on a uPVC door can be assisted with some extra security measures:

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