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How to install security door lock.
Hand thread the screws then tighten them using a screwdriver or power drill.
This should lock the door.
Return the snip to the 12 o clock position and repeat the same process using the key.
Attach both the exterior and interior backing plate to the door.
This job is an.
In this video i show you how to replace install a security front door screen door on your home.
This is a quick video to show you how to replace a sliding screen door lock.
Now without touching the door handles turn the internal snib away from the 12 o clock position to the left or the right based on your door lock side choice.
How to install a security door easy diy.