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.
Measure the width of the door in 3 locations.
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.
Do not measure the thumbturn only to the barrel end.
Cylinder door locks are not difficult to replace if you have basic diy skills you only need two measurements.
There are a number of key dimensions including the pz backset and more.
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.
If you re replacing existing locks then your door preps will most likely be correct for most locks.
If you re installing locks in new doors that don t have a door prep you can follow the instructions below.
This helps to ensure that your door will fit.
Use the smallest figure as your measurement.
Measure from the floor to the underside of the trim at the top of the door.
Measure from the center of the door knob hole to the edge of the doorway to find the size of the door set.
Just determine the backset and you re ready to buy or order.
Upvc door lock measuring guide measure your door lock correctly to ensure you order the correct replacement lock.
When replacing or newly installing a door lock there are measurements you need to know before you place an order on your lock.
Shipping times on all uk orders for multi point locks are 24 48 hour delivery via dhl.
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.
Lock bore the diameter of the hole for the lock body.
Passage privacy key in knob or lever and deadbolt locks.
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 to the end of the black cam ring.
If you must it is always better to round down than round up.
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.
The standard bore is 2 1 8.
Many older doors had bores that were been smaller.
You ll want to measure sliding doors from outside of your home looking at the exterior of the door.