How To Measure a Upvc / Composite Door Euro Cylinder Lock
Today we will teach you how to measure a Upvc or Composite door cylinder lock, also known as a euro cylinder.
Most modern doors are locked using a euro cylinder. The cylinder can be replaced by removing the securing screw, which is usually fitted through the faceplate on the side of the door.
But how do you measure the Euro Cylinder so you can purchase a replacement that is the correct size?
Essentially you want to measure from each end to the middle of the centre bolt hole, making a note of which is the external side for the external size and the internal side for the internal measurement:
If the cylinder is a thumb turn cylinder the same applies, just be sure not to include the thumb turn knob in the measurement:
To further demonstrate below we have created a video tutorial showcasing how to take these measurements:
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