Check all exterior doors.
How to make a 2 way lock on a door.
Electronic door locks use an electronic keypad instead of a key.
Designed as extra security for exterior doors.
Lock a door without a lock.
Models are available with single and double cylinder functions.
A secure entry starts with a solid door and a grade 1 or grade 2 deadbolt with a solid 1 in.
Begin by removing the screws from the door knob on the interior side of your door.
Long throw bolt see buying a deadbolt.
For use in combination with a door knob lever lock.
I needed to lock a toilet door from the inside the other day and there was no lock.
Twist to lock deadbolt lock keyless twin lock keyed alike with 10keys lathe finish after 304 stainless steel casting front door lock single cylinder deadbolt and door knob with keyless locking design.
A sturdy screwdriver or small pry bar can quickly bow the doorjamb enough to release the latch.
Most external doors are pre drilled for deadbolts making installation easy.
In some cases door latch plate mortises might need to be cut or enlarged.
This allows you to pull the door knobs off the door from both sides.
Mark the center of the barrel hole on the edge of the door with an awl then mark center of the hole for the deadbolt on the face.
After a bit of research i found a device in which you can use the door latches hole.