On some older doors thickness might be an issue.
Putting a new lock on an old door.
Follow these guidelines to ensure that your new set will be a perfect fit.
Measure up from the finish floor 36 inches or the height of other knobs in the house and mark the door s edge.
Drill out any holes necessary for the lock securing screws in the same way.
The key to an easy entry upgrade is finding a handle and lock assembly that lines up with your door s existing drill outs.
Used on front back and other.
Part 4 of 5.
Swapping out an old lock for a new one will only take a few minutes and will help to provide peace of mind in your new home.
Piece together the new door lock cylinder like the old one by putting the rubber gasket on the part of the cylinder that fit on the outside of the car door.
If you re installing a lockset in an existing door take out the old lockset and measure the backset the distance from the door edge to the center of the lockset hole.
Damaged locks are often replaced immediately but you should also replace them if you.
Mark each screw hole.
Push the new small bracket onto the cylinder to hold the gasket in place.
Assemble the new door lock cylinder.
How to put a new lock on the front door.
Some doors are less than 1 3 8 inches thick which is the minimum size modern locksets will accommodate.
Select a lock with the same setback.
Open the door halfway and tap two shims one from each side between the floor and the door bottom to hold it steady.
Should not be the only lock on the door.
With a square extend this mark across the door s edge and 3 inches onto one.
1 remove the existing door lock from the door if there is one.
The latch part of the lock is retracted usually by operating a small lever or handle.
Installing the new door lock cylinder.
Hold the new lock up to the door to determine where the lock and screw holes should be drilled.
To fix this add a custom cut plate or a door reinforcer.
Refer to this when you buy your new lockset to make sure the hardware is.
Tap it with a hammer gently to create a hole.
To meet bs3621 bs 8621 read our bs3621 lock guide here door types.
The measurement is usually 2 3 8 inches for interior doors and 2 3 4 inches for exterior doors.
Step 3 place the metal punch over the marked spot on the frame.
Drill the hole out until the lock fits inside.
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 smart technology features.
A tubular lock which installs in two holes in the door and a mortise lock which goes in one hole.
Pull or slam door shut the door is latch locked and requires a key to open from outside on the inside.
Your exterior door locks are your primary defense against intruders.
