Level up the door bolt and then mark drill and screw the top screw hole nearest the door.
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.
Install the barrel bolt at a height that is easily reachable.
Cut a piece of plywood larger than the size of the bolt.
With the door bolt now fixed firmly to the door the final job is to fix the bolt keep onto the door frame.
Then screw the bolt onto the plywood.
Install and secure all 3 screws.
Close the door up until the keep touches the door frame.
An outside sliding is a door in which the moving door is on the outside of the house whereas an inside sliding places the moving door on the inside of the house and the fixed one on the outside.
Be sure that the hole is large enough to eliminate any binding of the slide bolt.
If you need a stronger latch it will require a lot more work.
Extend the bolt out slightly and push the bolt keep over it.
Glue this to the door where you want the bolt lining up the front edge of the plywood with the edge of the door.
Mark fixings for door keep.
To install your security slide bolt lock you must first determine whether your door is inside sliding or outside sliding.