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-   -   Factory Tint - No UV or Heat Protection? (http://www.jeepgarage.org/f73/factory-tint-no-uv-or-heat-protection-22717.html)

bobkbusch 05-03-2011 04:37 PM

Factory Tint - No UV or Heat Protection?
 
Aaargh! I just read that the factory tint on the rear windows provides no UV or heat protection and is for privacy only. I did not know this.

My Jeep sits outside for lengthy periods and I certainly want max UV protection at the high altitudes in CO (I live at 7000'). I just had the front windows tinted to match the rears and the tint shop mentioned nothing about this.

Can anyone confirm with certainty that there is no UV or heat protection from the factory tint, before I head back to the tint shop? Thanks!

moosehead 05-03-2011 04:46 PM

Re: Factory Tint - No UV or Heat Protection?
 
Bob, I was told the same thing by an aftermarket tint installer and ended up getting sucked into buying the rear tint as well for UV/Heat protection.

That said, I was never able to confirm from another source that factory provided no protection. Where did you see this? Thanks.

KITSOS 05-03-2011 04:50 PM

Re: Factory Tint - No UV or Heat Protection?
 
You are right. It's just a black piece of glass for privacy. You need to tint it if you want uv protection

JayB 05-03-2011 04:50 PM

Re: Factory Tint - No UV or Heat Protection?
 
Wow.... that is pretty lame.
Can someone confirm?

Seriously though.. how much more $$ would it cost Chrysler to put a UV blocking film instead of just blocking visible light? Doesn't seem right.

SvenskaJeepGuy 05-03-2011 04:51 PM

Re: Factory Tint - No UV or Heat Protection?
 
you can put clear uv tint on the rears if you dont want to go darker

bobkbusch 05-03-2011 04:52 PM

Re: Factory Tint - No UV or Heat Protection?
 
Moose, saw it in another member's thread (unrelated to tint). Just trying to get "insider" expert confirmation.

KITSOS 05-03-2011 05:03 PM

Re: Factory Tint - No UV or Heat Protection?
 
Quote:

Originally Posted by JayB (Post 408536)
Wow.... that is pretty lame.
Can someone confirm?.

confirmed. This is the case. This is fact.

fireron 05-03-2011 07:11 PM

Re: Factory Tint - No UV or Heat Protection?
 
Not to interject on this thread as I have no imperical proof but there must be some UV protection from darker glass as that is the stated reason most beer makers use dark brown glass instead of clear glass (Miller) for their beer.

I also tinted my dark glass (very light tint) for better UV protection but I'll bet it does provide some as it comes from the factory. Plus, the tint holds the glass together better from a shard perspective in an accident, or so I have noticed from my experience dealing with at least one or two auto accidents.

Dan JGC 05-03-2011 09:41 PM

Re: Factory Tint - No UV or Heat Protection?
 
No UV protection? Nonsense. All glass cuts out quite a bit of UV rays, even non-tinted glass. I remember that from college physics. So to say NO UV protection is nonsense.

From a quick google search:

"To summarize briefly: some ultraviolet rays can pass through car window glass, although most of the burning (as opposed to tanning) rays can't. On the other hand, most sunlamps aren't made of ordinary glass--they're made of quartz or special UV-transparent glass.

Having thus confronted our ignorance, let us humbly endeavor to learn. Ultraviolet light, which causes both erythema (sunburn) and tanning, ranges in wavelength from 4,000 angstrom units (A) down to about 100 A. (Light with wavelength greater than 4,000 A lies in the visible spectrum.) The most potent rays for burning and tanning lie in the 2,900-3,050-A range, with radiation of 2,967 A supposedly being most effective of all.

Ordinary window glass, however, is pretty much opaque to wavelengths below 3,000 A. From this we deduce that the intervention of a window will significantly reduce but not halt the burning/tanning process.

In addition, UV rays above 3,200 A will cause tanning (but usually not burning) if administered in sufficiently massive doses, such as you get when you're driving across the desert. Your tan, therefore, was no hallucination. This business about your innate wisdom I'm not so sure about."

bobkbusch 05-04-2011 10:56 AM

Re: Factory Tint - No UV or Heat Protection?
 
Here's another take I just found via Google:

"Glass, unfortunately, does not provide adequate protection against UV radiation. The reason transition lenses do not function in a car is because they react to light in the UVB range, which most types of glass do absorb. However, typical automotive glass does not have much of an effect on decreasing the amount of UVA transmission, and it is this range of radiation that is responsible for accelerated photoaging in addition to elevated levels of retained heat."

Still doesn't quite answer whether the factory "tint" does anything.

KITSOS 05-04-2011 11:12 AM

Re: Factory Tint - No UV or Heat Protection?
 
Correct bob. It's not any kind of tint on the windows, it's just darkened glass. No significant uv protection as Dan stated even though it offers some in comparison to clear glass.

Get it tinted, so you are 99% uv a and b free

JayB 05-04-2011 11:14 AM

Re: Factory Tint - No UV or Heat Protection?
 
Quote:

Originally Posted by bobkbusch (Post 408959)
Here's another take I just found via Google:

"Glass, unfortunately, does not provide adequate protection against UV radiation. The reason transition lenses do not function in a car is because they react to light in the UVB range, which most types of glass do absorb. However, typical automotive glass does not have much of an effect on decreasing the amount of UVA transmission, and it is this range of radiation that is responsible for accelerated photoaging in addition to elevated levels of retained heat."

Still doesn't quite answer whether the factory "tint" does anything.

Exactly. I don't care about sunburn.... I don't want the heat in my Jeep!


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