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Model Y Stock Rear Window Tint

Klau2

Member
Mar 25, 2019
398
228
Boyds, MD
I just had mine done with 25% tint. Only did the 2 front windows. My question is if anyone know if the back and rear are UV protected? Many tint shop advise to tint them with 70% tint. I didn't do it, figured I can always add them later.
 

Kuro Houou

Member
Feb 15, 2020
458
279
USA
I just had mine done with 25% tint. Only did the 2 front windows. My question is if anyone know if the back and rear are UV protected? Many tint shop advise to tint them with 70% tint. I didn't do it, figured I can always add them later.

I would love it confirmed, but I thought all car windows were UV protected due to the fact if you go on a long car ride you would get sun burn if not.
 

frankvb

Supporting Member
Feb 29, 2020
832
507
San Diego, CA
I would love it confirmed, but I thought all car windows were UV protected due to the fact if you go on a long car ride you would get sun burn if not.
I think it's not that straightforward.
Car door windows don't stop UV rays

I'd think that factory tinted windows (as opposed to aftermarket tinting) would block more harmful rays than clear windows, not sure if it's comparable with a good window film though.
 

Bigbear503

Member
Dec 2, 2019
36
39
Bay Area, CA
I just had mine done with 25% tint. Only did the 2 front windows. My question is if anyone know if the back and rear are UV protected? Many tint shop advise to tint them with 70% tint. I didn't do it, figured I can always add them later.

I would love it confirmed, but I thought all car windows were UV protected due to the fact if you go on a long car ride you would get sun burn if not.

No.. factory "tints" do not block UV rays or have any benefits with heat rejection. Its more for looks. Factory "tints" is just color dye in the glass. if you want UV protection and heat rejection, have a shop tint the rear windows
 
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Klau2

Member
Mar 25, 2019
398
228
Boyds, MD
No.. factory "tints" do not block UV rays or have any benefits with heat rejection. Its more for looks. Factory "tints" is just color dye in the glass. if you want UV protection and heat rejection, have a shop tint the rear windows
Thanks for the info. I guess I'll go back later to get them tinted.
 

Georgia_Y

Closed
Feb 25, 2020
199
173
Georgia
The factory glass is dyed and not tinted with a film. I did mine with Llumar IRX 50 in the back and 15 in the front. They seem to match very closely.

IMG_6639.jpg
 

Kuro Houou

Member
Feb 15, 2020
458
279
USA
Found this article interesting about UV ratings on car glass. It honestly depends on the car manufacturer as well but it looks like front windshields tend to prevent UV transmission more, due to the plastic in it. But for side windows it says they are typically only about 65% effective at blocking UV, or about the same as a SPF 16 rating..

That said, ended up opting to have all my windows (except the windshield and roof glass as Tesla and the nature of the glass/plastic laminate should prevent most all UV rays from coming into the cabin). I decided to do 30% up front and 45% elsewhere.. trying to match them as much as possible seeing as the back is already pretty dark.
 
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Georgia_Y

Closed
Feb 25, 2020
199
173
Georgia
I would suggest looking into getting the windshield tinted as well. You can with 70% or so and it will appear just as transparent, but cut down on a lot of heat. Some of the newer ones can cut down on IR a good amount.
 
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Kuro Houou

Member
Feb 15, 2020
458
279
USA
I would suggest looking into getting the windshield tinted as well. You can with 70% or so and it will appear just as transparent, but cut down on a lot of heat. Some of the newer ones can cut down on IR a good amount.

Maybe in the future I would consider it.. but honestly would want to see that in person first.. For me night driving is always a concern, its hard enough to see at night... really not trying to reduce that visibility anymore. But yeah, would be nice to cut down on at least half the heat coming through there even at 70%.
 

Klau2

Member
Mar 25, 2019
398
228
Boyds, MD
Found this article interesting about UV ratings on car glass. It honestly depends on the car manufacturer as well but it looks like front windshields tend to prevent UV transmission more, due to the plastic in it. But for side windows it says they are typically only about 65% effective at blocking UV, or about the same as a SPF 16 rating..

That said, ended up opting to have all my windows (except the windshield and roof glass as Tesla and the nature of the glass/plastic laminate should prevent most all UV rays from coming into the cabin). I decided to do 30% up front and 45% elsewhere.. trying to match them as much as possible seeing as the back is already pretty dark.
The back are 25%, so if you want to match them you really should do 25%.
 

Kuro Houou

Member
Feb 15, 2020
458
279
USA
The back are 25%, so if you want to match them you really should do 25%.

Unfortunately the tint only goes down to 30% at the place I am taking my car (getting Spectra Photosync), I'm ok with a 5% difference, will be hard to notice most of the time I'm sure.
 
Last edited:

Klau2

Member
Mar 25, 2019
398
228
Boyds, MD
Unfortunately the tint only goes down to 30% at the place I am taking my car (getting Spectra Photosync), I'm ok with a 5% difference, will be hard to notice most of the time I'm sure.
i see, but if you are tinting the back with 45%, that will make it even darker and the front 2 and back windows will have a lot more difference. Why not 70% in the back 2 windows? The UV protection isn't determine by the darkness of the film.
 

Kuro Houou

Member
Feb 15, 2020
458
279
USA
i see, but if you are tinting the back with 45%, that will make it even darker and the front 2 and back windows will have a lot more difference. Why not 70% in the back 2 windows? The UV protection isn't determine by the darkness of the film.

Right, UV isn't, but based on the info from the manufacturer it seems like the heat rejection is based on darkness some as well, about a 12% difference between 70 and 45.. maybe I split the difference at 55% ;) It does suck not having anything to really reference or look at.. kind of just guessing at this point.

sph_ird_specs-2-1024x465.jpg
 

Klau2

Member
Mar 25, 2019
398
228
Boyds, MD
Right, UV isn't, but based on the info from the manufacturer it seems like the heat rejection is based on darkness some as well, about a 12% difference between 70 and 45.. maybe I split the difference at 55% ;) It does suck not having anything to really reference or look at.. kind of just guessing at this point.

sph_ird_specs-2-1024x465.jpg
O cool, i was thinking they are the same. haha.
 

Wennfred

Supporting Member
Apr 4, 2019
2,928
1,832
San Diego
These are the readings I got with the Tint meter (EDTM Digital Power Meter)

Outside Direct sun 254 (high)
Front windshield 95 (no tint)
Side front windows 50 (no tint)
Rear factory tinted windows 15
Roof glass factory dyed or tinted “5”
Rear hatch factory tinted 15

The Y is currently in the shop, getting Crystaline 70 on the front windshield and 35% on the front windows, I think it’s Xpel but will get the correct brand name when I pick it up. Will post new heat rejection numbers when I get it.

Fred
 
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Dennisis

Supporting Member
Feb 11, 2020
468
424
Tucson
These are the readings I got with the Tint meter (EDTM Digital Power Meter)

Outside Direct sun 254 (high)
Front windshield 95 (no tint)
Side front windows 50 (no tint)
Rear factory tinted windows 15
Roof glass factory dyed or tinted “5”
Rear hatch factory tinted 15

The Y is currently in the shop, getting Crystaline 70 on the front windshield and 35% on the front windows, I think it’s Xpel but will get the correct brand name when I pick it up. Will post new heat rejection numbers when I get it.

Fred
So you're not adding to the top correct?
 

Dennisis

Supporting Member
Feb 11, 2020
468
424
Tucson
Only adding the Front windshield and 2 front windows, everything else is covered already with factory tint.

Fred
Just checking, I plan to take mine in next week for full front PPF and tint, did the same with my M3 last year. Tinted the rear on the M3 though - I wonder if the MY tint is darker.
 

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