How to measure your latch.
How do i measure a door lock.
To measure the overall length of the latch case see diagram below.
Euro cylinder locks are now measured by the ts007 1 star 2 star or 3 star ratings the old british standard kite mark rating is no longer a real measure of true security in modern euro lock design in our opinion but all of the anti snap euro locks we sell have the bs kite mark it s such a basic level compared to the ts007 rating.
So to make it easy we ve pulled together the following easy to follow guide which will help you identify the model you currently have so that you are ready to order a.
Measure the width of the door.
If you need to buy a replacement multipoint lock for your upvc door it can be a confusing process with so many brands on the market to choose from and lots of dimensions to make note of.
When boring deadbolt locks in a door there are two standards for spacing between the bottom lock and the deadbolt.
Door handle latch sizes are usually advertised with their overall length i e the case.
A the pz centres.
When buying a tubular mortice latch for your door handle it is important you know the correct size.
The backset is the distance from the edge of the door to the center of the 2 1 8 inch bore hole.
It is important that you only measure the door.
Confirm the door swing before ordering the new door see below.
Lock spacing the distance between two locks.
When replacing locks the latch backset needs to match the holes bored in the door.
In the united states there are two common backsets for residential door locks.
Before purchasing a lock measure your door s backset cross bore and thickness to ensure you find the right fit.
Do not include any other elements such as weather stripping.
2 3 8 inches and 2 3 4 inches.
Using the diagram on the left of a typical multipoint setup measure your lock as follows.
Measure the height of the rough opening from the floor or rough sill to the bottom face of the header.
The two most common are 5 1 2 and 6 from the centers of the two holes.
How to measure a multipoint lock.
Run a tape measure along your door from the left corner to right corner and record this number.
The distance between the edge of the door and the center of the lock hole.
How to measure a multipoint door lock.
Measuring a multi point door lock is quite involved but with this guide should be relatively easy.