How Do I Measure A Door Lock

Measure the height of the rough opening from the floor or rough sill to the bottom face of the header.

How do i measure a door lock.

The backset is the distance from the edge of the door to the center of the 2 1 8 inch bore hole. Confirm the door swing before ordering the new door see below. How to measure a multipoint door lock. Measure the thickness of the wall measuring from the exposed faces of the drywall or sheathing on both sides of the wall.

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. Measure the width of the door. To measure the overall length of the latch case see diagram below. How to measure a multipoint lock.

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. It is important that you only measure the door. The distance between the edge of the door and the center of the lock hole. Measuring a multi point door lock is quite involved but with this guide should be relatively easy.

Using the diagram on the left of a typical multipoint setup measure your lock as follows. Door handle latch sizes are usually advertised with their overall length i e the case. Pack your locks with a 2 3 8 inch or 2 3 4 inch latch depending on which backset you specify. The two most common are 5 1 2 and 6 from the centers of the two holes.

When boring deadbolt locks in a door there are two standards for spacing between the bottom lock and the deadbolt. 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. A the pz centres.

Lock spacing the distance between two locks. Measure in three places and use the smallest dimension. Do not include any other elements such as weather stripping. 2 3 8 inches and 2 3 4 inches.

Run a tape measure along your door from the left corner to right corner and record this number. Before purchasing a lock measure your door s backset cross bore and thickness to ensure you find the right fit.