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Why Window Films
Generally, window film provides specific personal and property protection from the effects
of the sun as well as added safety and security in the events that result in broken glass.
The efficiencies of solar control window films are closely related to local weather conditions,
building orientation, window size, and other factors such as exterior shading conditions.
However, with escalating energy costs, products such as window film are increasingly
valuable as an investment for commercial and residential owners and commercial facility
managers.
There are many types and constructions of solar control and safety window films. These
films are considered in the building industry to be "retrofit" products; that is, products to be
applied to existing buildings as opposed to use in new construction. In their simplest forms,
window films are composed of a polyester substrate to which a scratch resistant coating is
applied on one side; a mounting adhesive layer and a protective release liner is applied to
the other side. When the release liner is removed, that side of the film with the adhesive is
applied to the interior surface of the glass.
How does window film work?
•Reflection
√Metallised window film when applied to glass can reflect up to 80% of the
sun’s heat, stopping the heat by reflecting the energy away from the glass.
•Absorption
√Dyed window films when applied to glass can absorb the energy of the sun
by keeping the heat in the film, thus stopping some the heat from penetrating
into the building.
Important Notice:
Thermal Stress Compatibility
There is a wide range of window films that are suitable for installation to existing and new
glazing. However, in some situations an incorrectly specified window film can cause
thermal stress breakage of float glass. We recommend guidelines
on the thermal stress compatibility of each of their films with different glazing systems.
Note that glass always has a risk of thermal stress breakage whether window film is
installed or not; this risk is insignificant for tempered glass, very low for heat strengthened
glass, and low for float glass. The installation of correctly specified window film will keep
the risk of thermal stress breakage to the same levels provided that the glass is undamaged
and meets accepted standards.
The Benefits of Window Film
1ST Class Window Films Offer:
- Up to 99% Ultraviolet (UV) light reduction resulting in:
- Significant fade protection for furniture, carpets, wooden floors etc.
- Reduced exposure to UV radiation, which has been linked to certain cancers.
- Metallised Solar control window films can significantly reduce solar heat gain resulting in:
- Increased comfort
- Reduced air conditioning
- Increased glare protection
- Fade reduction
- Daytime privacy
- Lower energy demands
- Safety & Security resulting in:
- Increased peace of mind
- Increased safety for family and friends
- Vandalism
- Terrorist Bombing
- Graffiti damage to glass
Safety Glazing
glazing which complies with the requirements of an impact test; EN 12600 is the European
standard for assessing safety glazing. Window film has been extensively tested to prove
compliance with EN 12600.