The front plate that sits on the edge of the door once the lock is fitted is referred to as the forend or faceplate of the lock.
How do you measure a door lock.
If measuring a dl30 3 star anti snap door lock do remember the outer size is the anti snap size so is not a reversible size.
Upvc door lock measuring guide measure your door lock correctly to ensure you order the correct replacement lock.
Measure from the end of the euro cylinder lock barrel to the centre of the screw hole each side.
The standard bore is 2 1 8.
Use the smallest figure as your measurement.
Cylinder door locks are not difficult to replace if you have basic diy skills you only need two measurements.
If you must it is always better to round down than round up.
Measure from the floor to the underside of the trim at the top of the door.
Lock bore the diameter of the hole for the lock body.
Your cylinder locks should be as flush as possible with the handles maximum projection is 5mm if you current lock sticks out by more than 5mm either side of the hanldes then choose a smaller size.
Do not measure the thumbturn only to the barrel end.
Many older doors had bores that were been smaller.
If you re installing locks in new doors that don t have a door prep you can follow the instructions below.
There are a number of key dimensions including the pz backset and more.
When replacing or newly installing a door lock there are measurements you need to know before you place an order on your lock.
If you re replacing existing locks then your door preps will most likely be correct for most locks.
Simply measure the length and width so you can match up as best as possible for a clean finish on the edge of your door.
Measure the height of the door right in the middle.
That s the side without the lock if it s not an entry door and you re not sure which side is the exterior.
This helps to ensure that your door will fit.
You ll want to measure sliding doors from outside of your home looking at the exterior of the door.
Just determine the backset and you re ready to buy or order.
Do not measure to the end of the black cam ring.
Shipping times on all uk orders for multi point locks are 24 48 hour delivery via dhl.
Measure from the center of the door knob hole to the edge of the doorway to find the size of the door set.
Passage privacy key in knob or lever and deadbolt locks.
Guide to door lock measurements.