The fitting of a spy hole allows the home occupier to look out without the person outside
looking in. The fitting incorporates a simple lens system, which offers a wide angled view
of the surrounding outside area. It is particularly useful in conjunction with a porch
light, to enable clearer vision when it is dark.
Fitting a spy hole viewer
Decide on the most convenient height of the spy hole. It should be fitted so that all members
of the household can use the facility. Drill a hole for the spy hole, and, by holding a spare
block of wood on the other side of the door, you will stop any splintering of wood as the
drill bit passes through. Attach the two sections of the spy hole on either side of the drilled
hole and secure the position of the fitting following the directions of the particular type
used.
