With the door bolt now fixed firmly to the door the final job is to fix the bolt keep onto the door frame.
How to install a door slide bolt.
It will be necessary to drill deep enough to allow full extension of the slide bolt in order to secure the lock.
Mark fixings for door keep.
How much strength do you need the bolt to have.
Install and secure all 3 screws.
Level up the door bolt and then mark drill and screw the top screw hole nearest the door.
To install your security slide bolt lock you must first determine whether your door is inside sliding or outside sliding.
If you need a stronger latch it will require a lot more work.
Close the door up until the keep touches the door frame.
Install the barrel bolt at a height that is easily reachable.
Extend the bolt out slightly and push the bolt keep over it.
Then screw the bolt onto the plywood.
Be sure that the hole is large enough to eliminate any binding of the slide bolt.
The closer it is to the center of the door the more.
Glue this to the door where you want the bolt lining up the front edge of the plywood with the edge of the door.