How to Install a Door Peephole
Quick Answer
Mark the centre of the door, drill a pilot hole, then enlarge it to the viewer size, insert the peephole from the outside, and screw the lens from the inside.
How to troubleshoot How to Install a Door Peephole
A peephole increases security by allowing you to see who is at the door. This guide covers drilling a hole and installing the viewer.
Step-by-Step Fix
- Measure 56-60 inches from the floor and mark the centre of the door.
- Drill a small pilot hole, then use a hole saw to drill a hole to the peephole's diameter.
- Insert the peephole viewer from the outside of the door, ensuring it is level.
- From the inside, screw the lens onto the viewer and tighten it securely.
- Adjust the lens for a clear view and test the peephole.
Common Error Codes
| Code | Meaning | Resolution |
|---|---|---|
| View is blurry | Lens dirty or out of focus | Clean the lens and adjust the focus ring. |
| Hole too big | Wrong drill bit | Use a filler and re-drill with the correct size. |
Frequently Asked Questions
Can I install a peephole on a metal door?
Yes, use a metal-piercing hole saw and ensure the peephole is compatible.
What is a wide-angle peephole?
It offers a wider field of view, covering up to 180 degrees.