Things You Will Need
This can be useful when monitoring activity in a storefront from an office area, or to hide a surveillance camera as part of a home security system. Two-way mirrors are often used to monitor and control shoplifting activities where shoplifting is a prevalent occurrence.
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Remove glass from picture frame and remove all labels and clean thoroughly with commercial window cleaner. Allow glass to dry completely and wipe any residue from glass using a clean, lint-free cloth.
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Unroll and cut to size one strip of reflective glass film 18" X 24," being careful to avoid creases or wrinkles in film. (See Resources.)
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Carefully place self- adhering reflective film over glass and smooth into place using a rubber squeegee to remove any wrinkles or creases.
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Replace glass in frame with reflective side out. Do not replace glass cardboard or fiber backing in frame.
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Hang mirror in front of a small through-wall opening, such as the former location of a medicine cabinet or a through-wall book shelf. If no such opening exists, cut an opening smaller in size than the frame of the two-way viewing mirror, and hang the mirror over it.