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Has anyone tinted their sunroof and had it crack?

nosmirk

Ready to race!
Location
SoCal SGV
Car(s)
19 GTI SE DSG, Cat7?
I mean no disrespect I'm just genuinely curious. Why would you tint the sunroof if we have the screen? Is it purely to reflect heat? Does it make that much of a difference vs getting a UV tint on just the windows?
My screen basically opens on it's own after about 40 miles on the highway, so it's just about useless. I haven't tried the felt mod to keep it closed, so it stays open until i'm parked under direct sun or driving full open.

So for me, it's almost all about heat rejection and extra UV blocking. There is barely any tint, lumar ceramic 85 IIRC.
 

bentin

Autocross Champion
Location
Austin, TX
Car(s)
2018 GTI SE
My screen basically opens on it's own after about 40 miles on the highway, so it's just about useless. I haven't tried the felt mod to keep it closed, so it stays open until i'm parked under direct sun or driving full open.

So for me, it's almost all about heat rejection and extra UV blocking. There is barely any tint, lumar ceramic 85 IIRC.
I used a few layers of TESA tape, now it's hard to open, but much better than having it walk open all the time.
 

StorableComa

Autocross Champion
Location
Long Beach, USA
Car(s)
17 GSW S
Just wanted to add to those mentioning tinting over an already tinted piece - Most factory "tinted" glass is really privacy/dyed glass that has no additional heat/UV reflection properties, it just makes the glass darker so it isn't a fish bowl. Which is why most, even SUV owners that normally have rear windows tinted from the factory, have ceramic put over them.

To add to the debate, local shop around here recommended if we tinted the sunroof to leave it cracked and not sealed when parked in the sun as they've seen a lot of sunroofs pop due to tinting and being closed. There are also some Vortex posts on people having their pano roof shatter while driving and most of them mention being tinted over the privacy tint. Unless you drive with the cover open but the glass closed where radiant heat would be a big issue I think you'd be fine not tinting.

I went Llumar IRX nano ceramic 15 around the back and 30 on the front with Air 80 on the windshield. Tin roof for me, but I can leave it parked in the direct sun in the summer and jump in and not be immediately sweating. It's warm, but not holy shit instant sweat dripping hot like it normally is.
 
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