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Tinted Windshields Negate Windshield Sun Shades : Tinted Sunroofs=Exploding/Crack Glass

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Just doing some homework...


Windshield to be tinted on Xpel XR or XR Plus 70%

Will this be efficient enough that I won't need to use a SunShade when parked outdoors in direct sun.

The dashboard is leather so the goal is to keep as much heat off the dashboard as possible when in the sun.

However, tint scratches....and in using the SunShade, I know it will -rub- when putting it on/etc.


Second question. Leaning on tinting my Panorama Sunroom in XR or XR Plus 50%

Because of how ceramic tint works, basically blocks the heat from coming in, but the glass get's *hot, hotter* due to how the tint works.

Is this a concern for the -common sunroof exploding-

And or since 50 or 70% has a solar energy absorbance of around 58-65%, this should not be a concern by tinting the sunroof ?

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I have suntek 80 on my windshield and use the pop up shade.  I've used it for 4 years and don't notice scratches from it. 


I've tinted several sunroofs with regular hp auto film 20% and 5%. Never heard of any having thermal stress problems....

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Regular film transfers whatever heat  through the film/glass


The ceramics AKAIK, basically *stop the heat* from transmitting past the film, so what you get is a heat soak/heat buildup of the glass itself (aka, it get's hotter than regular tint). In looking at the specs of each %, the darker you go, the #s for Solar Energy Absorbance go up. 


--I think if I stay with 70 or 50% on ceramic for the sunroof, it's still allowing some level of heat to still pass through the film - and not absorb/block it as much as if I started going up on the higher percentages.

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I've heard that argument many times and avoid doing sunroofs as much as possible, but not for that reason.


If the glass breaks I'm going to get blamed no matter what. I've spoken to a couple of glass guys and was told that most of the time its a factory flaw somewhere in the glass or on the edge that causes a stress fracture. 

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