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Privacy protection in daylight - no compromises

Mirror film, also known as chrome film, silver film or spy mirror film, shields from prying eyes. In particular, large-area windows of easily visible offices or labs can be protected from unauthorized viewers thanks to mirror film. The mirror effect offers not only privacy from the outside, but also sun and heat protection.

Mirror films are used in the interior of buildings to screen rooms or to decoratively enhance furniture glazing with mirror films.

As a result, a mirror film perfectly combines functionality and ornamental appeal.

Basic principle:

Mirror films always prevent views on the window side with the greater incidence of light; the other side is transparent, but tinted.

As the window side has less light, one can look out unhindered, hence the name spy film.

Please remember:

Depending on the lighting conditions, the mirror effect and the associated privacy screen are always present on one side. If a room is illuminated in the evening, the mirror film no longer offers any protection from the outside. Use of additional pleated blinds, venetian blinds or roller blinds is required to provide privacy.

Reflective film for outdoor installation: best possible heat protection for your exterior glazing; with one-way glass effect to protect your privacy
in stock, ready for shipment in 24-48 h

starting at 3,00 € cut to size
starting at 25,00 € by the metre
Reflective film for indoor use (single glazing): very good visual cover during the day – with one-way glass effect to protect your privacy; provides high heat and sun protection
in stock, ready for shipment in 24-48 h

starting at 2,28 € cut to size
starting at 19,00 € by the metre

How do mirrored window films work?

Mirror films are basically sun protection films. They consist of several polyester layers with a metallic layer in the middle. Mirrored window films are available in various tinting levels. As with mirrored sunglasses, the strong reflection makes it possible to see through without being seen. The mirror effect is both dependent on lighting conditions and one-sided.

UV protection & heat reduction

Regular window glass cannot filter solar radiation. Mirror films reflect and absorb harmful UV rays. They protect furniture, files or materials from excessive exposure to the sun and prolong their durability and service life. Further, mirror films have an "air-conditioning effect". During the summer, they considerably reduce the heating of rooms. A heat reduction of over 80 percent is possible. An additional use of air conditioning systems is usually not necessary. The temperature in indoor rooms can be reduced by several degrees - especially in rooms with large window fronts or in attic floor apartments, this is an enormous relief and significantly improves your well-being.

Glare protection

An especially pleasant side effect of using a mirror film in the working environment is the glare protection. The reflection of solar radiation provides ideal protection against glare, especially in offices, which makes working with monitors much easier and more comfortable.

Interior film or exterior film - an important difference

Before you decide to buy the promising mirror films, it is necessary to determine the type of glass of the window to be covered:

If the glass surface is insulating glass or thermal insulation glass, triple glazing or a gas-filled window pane, laminated safety glass, a tinted pane or sloped roof glazing, you must apply an exterior film. This is the only way to avoid thermal stresses that can lead to glass breakage.

With single-glazed window panes, furniture glazing or double-glazing without gas filling or thermal insulation, the use of a film for the interior is an option.

The mirror and privacy protection effect is the same for both the interior film and the exterior film, i.e. depending on the light and on one side, as described above.

Clearly, the advantage of a reflective exterior film compared to a reflective interior film lies in its heat-reducing effect: in the case of an exterior film, the heat radiation is already blocked in front of the window pane, so that less heat can pass into the interior of the room.

Frequently asked questions about window films:

What is the difference between reflective films and sun protection films?

A mirror film is basically the darkest version of a highly reflective silver sun protection film. The properties (mirror effect, UV and glare protection, heat reduction) are therefore identical.

What types of reflective films are available?

Reflective films are available for external and internal application. The type of glass to be covered must be determined before installation: In the case of single-glazed windows, furniture glazing or double glazing without gas filling or heat protection, it is possible to use a film for interior application. If the glass surface is double glazed or heat protection glass, triple glazed or a gas-filled window pane, laminated safety glass, a tinted pane or sloped roof glazing, an external film must be applied.

How effective are reflective films against heat from sunlight?

Reflective films have the highest heat protection of all sun protection films, whereby the exterior film has the strongest heat reduction with up to 86%, the interior film repels up to 80% heat radiation. The installation of a reflective film can therefore significantly improve the indoor climate, as a temperature reduction of several degrees can be achieved indoors.

Are reflective films completely opaque from both sides?

The privacy protection of reflective films is created by the so-called "two way mirror effect": this basically prevents views on the window side with the greater incidence of light; the other side is transparent, but tinted. The side of the window with less light allows you to look out unhindered. Therefore, additional privacy protection must be installed at night when the lighting is switched on.

Is it possible to add additional privacy protection?

In order to protect privacy in the evening and at night, the use of additional pleated blinds, shutters or venetian blinds is possible.