How to install a peephole in a door can be done by yourself.

If you have special security concerns, look for peepholes.Larger units give a clear view of the exterior and may expose a larger area.It may be easier to see the exterior for people with poor vision.

The inhabitants of a home can see who is outside before opening the door with peepholes and door viewers.These devices are small enough that they do not pose a threat to the door's integrity or security features.You can install a peephole on your own if your door doesn't have one.There are many different styles and colors of these units.

Use a tape measure to measure the thickness of your door.Most commercial and residential doors are thick.It is important that you choose a peephole that is long enough to fit your door.The door's aesthetic appeal will be affected by an incorrect sized unit.

Choose a brass peephole to avoid rust on doors.Other metals may stain the surrounding door surface over time.

The peephole will be placed on the door.Every member of the family should be able to see the unit.Shorter family members should be able to use the peephole.It may be necessary for taller members to bend down.Measure the width of the door and then mark the peephole location with a pencil.