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Window Tinting Confusion

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Old Jul 12, 2024 | 05:49 PM
  #26  
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Originally Posted by taphil
The debate is over how transmission/transparency/tint (being used interchangeably here) is achieved. On factory glass, I think it's an inherent property of the glass during manufacturing, not a film that's applied to the glass.
Never said it was a film, its an inherent property of the glass.Its still tinted though, and it still impacts the overall VLT once the windows are tinted. The rear windows on the GLE are tinted inherently in the glass and not in a film...its the same thing they are just darker.

Originally Posted by graffixnyc
When I had the 20% installed on the front two windows and used the tint meter, it registered as 19.1 VLT. With your logic, the number should have been much less.

What does the stamp on your window say? Does it say what mine says about the 70% VLT? Its possible the windows on the GLE are not the same factory tint as the S Class.

You also need to know what your tint's actual VLT is, its not always exactly the same as what is advertised. For instance I just installed SunTek 40% but the actual VLT of that film is 44%, so 44% X 70% = 30.8 VLT, which is what mine should read from a tint meter.

Originally Posted by Benzman33
Exactly the point I'm trying to get across!

OP is confused and I'm sure the other guys post just confused him even more.
Your point doesn't make any sense. Whether the tint is a film or if its within the glass itself, its still a tint that has a VLT and that VLT goes into the overall VLT of that glass once its tinted.

None of this matters as long as you aren't concerned about meeting a legal threshold.

Last edited by SW20S; Jul 12, 2024 at 05:50 PM.
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Old Jul 12, 2024 | 05:56 PM
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Originally Posted by SW20S
Never said it was a film, its an inherent property of the glass.Its still tinted though, and it still impacts the overall VLT once the windows are tinted. The rear windows on the GLE are tinted inherently in the glass and not in a film...its the same thing they are just darker.



What does the stamp on your window say? Does it say what mine says about the 70% VLT? Its possible the windows on the GLE are not the same factory tint as the S Class.

You also need to know what your tint's actual VLT is, its not always exactly the same as what is advertised. For instance I just installed SunTek 40% but the actual VLT of that film is 44%, so 44% X 70% = 30.8 VLT, which is what mine should read from a tint meter.



Your point doesn't make any sense. Whether the tint is a film or if its within the glass itself, its still a tint that has a VLT and that VLT goes into the overall VLT of that glass once its tinted.

None of this matters as long as you aren't concerned about meeting a legal threshold.
It NOT tint. OP is concerned about matching the front windows to the back. He asked if they came tinted like the photo OP provided from the factory. They DON'T...

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Old Jul 12, 2024 | 06:08 PM
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Originally Posted by Benzman33
It NOT tint. OP is concerned about matching the front windows to the back. He asked if they came tinted like the photo OP provided from the factory. They DON'T...
If the front tint is like the windows in my S Class, they are tinted from the factory yes, just not tinted as dark as the rear windows.

A window does not have to be tinted with a film to be tinted. Any window that isn't clear with 100% VLT is tinted.

Last edited by SW20S; Jul 12, 2024 at 06:09 PM.
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Old Jul 13, 2024 | 10:33 AM
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Originally Posted by SW20S
If the front tint is like the windows in my S Class, they are tinted from the factory yes, just not tinted as dark as the rear windows.

A window does not have to be tinted with a film to be tinted. Any window that isn't clear with 100% VLT is tinted.
The back is considered Privacy glass. You're confusing OP...
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Old Jul 13, 2024 | 12:15 PM
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Grateful for the exchange. “Illuminating,” pardon the pun. My take aways:

1. Any first-row tint approaching factory second-row tint has been applied aftermarket. Can’t come from the factory that way.

2. Factory acoustic glass is a laminated sandwich. No risk applying or removing tinting film to/from it.

3. Lighter interiors, pano roofs, and windshields have understandable effects on tinting perceived from the exterior, differences from front to back, etc.

4. Essential is working with a high-quality service provider to do the work who, if they’re work worth their salt, will be able to figure how to properly stack factory and aftermarket tint densities to achieve the desired result.

5. That includes selecting a film product with the correct color/tone.

6. Choosing to comply, or not, with state tinting laws is a personal decision/risk.

When I get closer to having the work done, I'll work on getting smarter as to product options, e.g. ceramic vs something else.

Meantime, thank you!

Last edited by Hammer212; Jul 13, 2024 at 12:18 PM.
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Old Jul 13, 2024 | 12:26 PM
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Originally Posted by Hammer212
When I get closer to having the work done, I'll work on getting smarter as to product options, e.g. ceramic vs something else.

Meantime, thank you!
I went with ceramic. This page goes over the differences between ceramic and carbon.

https://thetintguy.com/carbon-vs-ceramic-tints/
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Old Jul 13, 2024 | 02:29 PM
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I went with Ceramic as well. Ceramic is the "newest and greatest". It's also super super clear.
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Old Jul 14, 2024 | 08:07 AM
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Originally Posted by Benzman33
The back is considered Privacy glass. You're confusing OP...
And privacy glass is tinted, that’s what makes it private lol

This exchange is ridiculous. He’s not confused. The original front glass is lightly tinted, and that tint has to be taken into account when you have a specific percentage of overall tint you want to achieve. That’s all.

Last edited by SW20S; Jul 14, 2024 at 08:08 AM.
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Old Jul 14, 2024 | 08:12 AM
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Originally Posted by Hammer212
2. Factory acoustic glass is a laminated sandwich. No risk applying or removing tinting film to/from it.
Just to clarify (ha!) this is true of ALL factory glass, whether it’s acoustic laminated or not. No car is tinted with film at the factory. Any factory tint whether it’s the darker rear glass or the lighter front glass does not have film from the factory, it’s tinted within the glass so you can apply or remove tint film as you see fit.

in fact the dark rear windows have no more heat rejection than the light front windows. You can tint the darker windows with a clear or very high VLT film (like 70 or 80%) and get the heat rejection of ceramic tint without darkening them.

I would get ceramic tint for sure.
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Old Jul 14, 2024 | 10:46 AM
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Originally Posted by SW20S
And privacy glass is tinted, that’s what makes it private lol

This exchange is ridiculous. He’s not confused. The original front glass is lightly tinted, and that tint has to be taken into account when you have a specific percentage of overall tint you want to achieve. That’s all.
OMG it's not lightly tinted. This is mind boggling...
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Old Jul 14, 2024 | 11:27 AM
  #36  
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The most important thing is that you ask your tint shop to meter the glass before, and then cut small samples of the tint and place them on the glass and meter it again... but also as a way to make sure you are happy with it visually from the inside and outside (preferably outdoors in daylight).

Also reading thru this Tesla reddit post can be very informative for someone who isn't aware of all the brands and quality levels within each brand.
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Old Jul 14, 2024 | 12:13 PM
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Originally Posted by Benzman33
OMG it's not lightly tinted. This is mind boggling...
Yes…it is. Just do some research. Read the link I sent you.
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