You ll want to measure the width of the door at the center running your tape measure from siding to siding stucco to stucco.
How do you measure a door lock.
Guide to door lock measurements.
In most cases the door set which is inside of the door and controls the door latch.
Do not measure the thumbturn only to the barrel end.
Do not measure to the end of the black cam ring.
The standard bore is 2 1 8.
Use the smallest figure as your measurement.
This helps to ensure that your door will fit.
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.
That s the side without the lock if it s not an entry door and you re not sure which side is the exterior.
If you re installing locks in new doors that don t have a door prep you can follow the instructions below.
Measure the height of the door right in the middle.
Lock bore the diameter of the hole for the lock body.
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.
Shipping times on all uk orders for multi point locks are 24 48 hour delivery via dhl.
If you re replacing existing locks then your door preps will most likely be correct for most locks.
Passage privacy key in knob or lever and deadbolt locks.
Just determine the backset and you re ready to buy or order.
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.
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.
If you must it is always better to round down than round up.
Cylinder door locks are not difficult to replace if you have basic diy skills you only need two measurements.
When replacing or newly installing a door lock there are measurements you need to know before you place an order on your lock.
Measure the width of the door in 3 locations.
Measure from the center of the door knob hole to the edge of the doorway to find the size of the door set.
Measure from the floor to the underside of the trim at the top of the door.
There are a number of key dimensions including the pz backset and more.