Window tinting for automobiles,
trucks, and recreational vehicles all have visible light transmission laws that
vary from state to state. Visible light transmission means the amount of light
passing through any piece of glass to the interior of the vehicle. For example
a clear piece of glass would have a 100% visible light transmission.
All of the window film
manufacturers of today offer their products in different visible light
transmissions or VLT's which they can be referred to as well. I will use
SolarGard HP Smoke for an example. This particular window film comes in VLT's
of fifty percent, thirty five percent, twenty percent, and five percent. They
do not offer any different light transmissions in between the ones provided. It
is important to note that these VLT's are all based on 100% clear glass. So for
example a 35% visible light transmission installed on a factory supplied
automotive glass with a 75% visible light transmission would give it
approximately a 26% visible light transmission. So it is important to know the
VLT of the glass before the installation of any window tinting. This can easily
be checked with a meter which slides over the edge of the glass and reads the
visible light transmission. Any reputable window tinting business will have one
of these meters, and I am sure will check your glass for no cost. If one is not
available in your area, and you have trouble attaining a meter they are
available for purchase with a starting retail of eighty nine dollars.
The benefit of having window film
that is too dark is very little. Staying along with our previous example of the
SolarGard HP Smoke. The heat difference between the 50% light transmission, and
the darkest available the 5% light transmission is a mere 10%. So to capture
that example the window film is 45% darker, but only achieving an additional
10% in heat rejection! So darker does not necessarily mean cooler. It simply
means more light is being taken out.
Most all glass installed in
vehicles today have some sort of tinting to them. It varies from the automobile
manufacturer, and the model of the vehicle. Generally they range from 75% on
the front two windows, and as dark as 15% on the rear doors and back glass. The
windshield is only allowed to have tinting on the top down to the AS1 line
marked in the glass or six inches if the line is not marked.
3 comments:
Very interesting to hear that a darker window tint only reduces heat by 10%. That really isn't that much if you think about it. 10% might only be a degree or two. Doesn't seem very cost effective as you mention. Thanks for the heads up on the different window tint darkness types. http://www.tintking.net
Fascinating information I haven’t been experienced such information in quite a long time.see this page
When you are searching for a professional window tinter that has experience more times than not this person will go over what the laws are for your state,however its your choice to put what you choose on YOUR vechile,but remember by doing this you void your warranty and are subject to fine and cost for removal.
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