Remove the two screws from the latch plate on the edge of the door and remove the latch from the opening.
Replacing entry door hardware.
Replacing your front entrance door is a simple swap that enhances your home s curb appeal.
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It can also increase your home s resale value.
On a replacement set with a one piece exterior escutcheon that holds both the lock cylinder and latch the spread must match the holes exactly.
This allows you to pull the door knobs off the door from both sides.
For example if your door measures 35 3 4 in.
Begin by removing the screws from the door knob on the interior side of your door.
If the measurements are taken correctly then replacing the door is as simple as removing the hinge pin reinstalling the jamb leaves on the door installing the lock and deadbolt hardware.
If you have more that 5 1 2 inches here you can still use a sectional handleset on your door.
Measure from the center of the knob hole to the center of the lock hole to determine the spread.
The standard residential door prep for entry doors is two 2 1 8 bore holes 5 1 2 center to center.
See measurement b in the image to the right.
The thickness of the door should be between 1 3 8 and 1 3 4 inches.
You ll pay from 40 to 300 to buy a new door lock depending on design materials and whether it s a simple key in knob lock or a high end lock and handle combo with.
The back set measures between 2 3 8 and 2 3 4 inches from the edge of the door to the center of the cross bore.
Sectional handlesets have a seperate deadbolt body so the b measurement is actually variable.
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In some cases door latch plate mortises might need to be cut or enlarged.
Be aware of the dimensions of your new handle so that it fits properly on the door.
Part of the series.
Round these up to full inches to find the size of the replacement door you ll need.
Replacing an exterior door knob and lock is something you can do on your own with the right tools.
Remove the interior knob and thumb turn lock hardware to expose the holes in the door.
Tall you ll order a 36 in.
Choose one that s pre hung in its own frame for the easiest installation or opt for slab if you re comfortable hanging it yourself.
How to replace an exterior door knob lock.