FACTORS THAT CAUSE FADING OF MATERIALS
"As a Rule of Thumb"
"As a Rule of Thumb"
Will Window Film Really Stop Fading Of Fabrics?
There are six factors affecting fabric fading:
1. Ultraviolet Light
2. Visible Light
3. Heat and Humidity
4. Chemical Vapors (including ozone)
5. Age of Fabric
6. Dye Fastness
Ultraviolet (UV) light, from the sun, contributes to approximately 40% of the
fading process, which can ruin furnishings long before their time. Visible light
and solar heat can contribute approximately 25% each. The remaining 10%
can be attributed to miscellaneous effects such as indoor artificial lighting,
humidity, heat and poor dye anchorage.
Clear single pane glass (1/8" to 1/4") will reject 23-28% of the ultraviolet light
from the sun. Insulated glass is slightly better, rejecting 36-41%. Window
films installed on glass reject 99% of solar ultraviolet light.
Different types of clear glass and window systems will reject 13-29% of the
solar heat. With window films, 80% solar heat rejection can be obtained.
Solar control films contain ultraviolet absorbers which reduce the amount of
ultraviolet radiation being transmitted through glass. Both visible light and
ultraviolet radiation are important causes affecting fading to floors, carpets,
draperies and other furnishings for the home.
Fading is a complex issue because each and every material has a different
propensity to degrade from exposure to ultraviolet radiation and other
contributory factors. For example, wood is extremely vulnerable to fading from
sunlight. It is generally accepted that UV radiation can be responsible for
roughly 40%-60% of all fading. Solar control window film products are not
guaranteed to stop or cure a fading problem. However, professional quality
window film can significantly reduce fading caused by ultraviolet, visible light
and solar energy. The degree of protection you obtain is closely tied to the type
of film you select.
No window film can eliminate fading. It can however, offer maximum
protection from fading due to solar ultraviolet light and solar heat.
There are six factors affecting fabric fading:
1. Ultraviolet Light
2. Visible Light
3. Heat and Humidity
4. Chemical Vapors (including ozone)
5. Age of Fabric
6. Dye Fastness
Ultraviolet (UV) light, from the sun, contributes to approximately 40% of the
fading process, which can ruin furnishings long before their time. Visible light
and solar heat can contribute approximately 25% each. The remaining 10%
can be attributed to miscellaneous effects such as indoor artificial lighting,
humidity, heat and poor dye anchorage.
Clear single pane glass (1/8" to 1/4") will reject 23-28% of the ultraviolet light
from the sun. Insulated glass is slightly better, rejecting 36-41%. Window
films installed on glass reject 99% of solar ultraviolet light.
Different types of clear glass and window systems will reject 13-29% of the
solar heat. With window films, 80% solar heat rejection can be obtained.
Solar control films contain ultraviolet absorbers which reduce the amount of
ultraviolet radiation being transmitted through glass. Both visible light and
ultraviolet radiation are important causes affecting fading to floors, carpets,
draperies and other furnishings for the home.
Fading is a complex issue because each and every material has a different
propensity to degrade from exposure to ultraviolet radiation and other
contributory factors. For example, wood is extremely vulnerable to fading from
sunlight. It is generally accepted that UV radiation can be responsible for
roughly 40%-60% of all fading. Solar control window film products are not
guaranteed to stop or cure a fading problem. However, professional quality
window film can significantly reduce fading caused by ultraviolet, visible light
and solar energy. The degree of protection you obtain is closely tied to the type
of film you select.
No window film can eliminate fading. It can however, offer maximum
protection from fading due to solar ultraviolet light and solar heat.
UV Protection from the Sun
Exposure to direct sunlight can cause many coloured or painted materials to
fade. Damage due to fading is caused by UV light, visible light, heat (including
infra-red light), artificial lighting indoors, humidity, and poor dye anchorage – but
the first three account for 90% of fading. Ultraviolet, visible light and heat all pass
through ordinary glass and can cause damage to goods in the home, office,
shop window, or museum.
Our fade protection window films are specially designed to filter out at least 99%
of harmful UV and reject infra-red heat but still leave a pleasantly lit living or
display environment. While no film can completely eliminate the effects of fading
due to the solar spectrum, over 80% of UV, infrared, and visible light can be
rejected with vast range of fade protection films.
The range includes films which are ultra clear (once installed, the film is virtually
undetectable), tinted, or reflective to offer a choice of fade protection performance
and visual characteristics.
Exposure to direct sunlight can cause many coloured or painted materials to
fade. Damage due to fading is caused by UV light, visible light, heat (including
infra-red light), artificial lighting indoors, humidity, and poor dye anchorage – but
the first three account for 90% of fading. Ultraviolet, visible light and heat all pass
through ordinary glass and can cause damage to goods in the home, office,
shop window, or museum.
Our fade protection window films are specially designed to filter out at least 99%
of harmful UV and reject infra-red heat but still leave a pleasantly lit living or
display environment. While no film can completely eliminate the effects of fading
due to the solar spectrum, over 80% of UV, infrared, and visible light can be
rejected with vast range of fade protection films.
The range includes films which are ultra clear (once installed, the film is virtually
undetectable), tinted, or reflective to offer a choice of fade protection performance
and visual characteristics.
| Average clear glass filters 25% Dual-pane glass filters 50% Low-E glass filters 60% Applied Window Film filters 99.9% of UV!z |
Copyright Smartfilms Inc. 2011
Member of the Canadian Green Building Council
Everyone involved in working with
architectural graphics, glass & walls will be
aware of Smartfilms!
architectural graphics, glass & walls will be
aware of Smartfilms!
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