Is it worth it to tint the sunroof?

By darkening the tint on the sunroof, you can cut the glare in much the same way as a fine pair of sunglasses. UV Protection – While these expanded roofs are terrific to bring the outside in, they also allow the sun's harmful UV rays to come in as well.

Will tinting a sunroof cause it to crack?

Tinting a piece of glass, even your sunroof, will not inherently break the glass, but if there are already imperfections in the glass that make it structurally vulnerable it can increase the chance of the glass falling. ... This change can lead to glass that already is vulnerable to cracking or breaking.