Okay, so, not sure how many people have ever actually had to deal with this, but being up here in the "grand" state of Wisconsin, where we get this weird stuff called snow we then use salt on the roads. Salt+steel=mess.
So, I have three rust spots (I will upload photos tomorrow) two of them are above the rear bumper, under the tail lights, the third is on the wheel arch. The one on the wheel arch is really bad, as in it's already beginning to split, now I took it to one of the best body shops near me, and they quoted me $1600 (plus tax) to fix them, this would be actually cutting it out, welding in new metal and rolling it to fit. So far, on this car, I am in it for nearly $5k it's not worth it for me to pay that much money to fix it. So, today, someone had suggested using fiberglass to fix it, not sure if he meant fiberglass sheets, or fiberglass filler, either way, do you guys think this could work?

Thanks, and any advice on this ugliness on such a beautiful car would be really appreciated!

 

It's up to you how you deal with it, glass filler is great for boats, but to me it's something a shadey dealer does to bodge it up to sell, are you planning on selling it? If not bite the bullet and get it done properly. Oh and have a look at this thread, it might give you an idea of where else to look for Rust....
https://www.jaguarforums.com/forum/x...onsider-59153/

 

With fibreglass or filler, you can make it look really good for a short time. However, it will always start to bubble up and look terrible, as you didn't halt or remove the rust - you just hid it.

The only permanent solution is what they suggested. Cut the rust metal out, weld in new, and paint. (and very carefully prime, paint, and underseal the underneath).

I suspect there's a lot more rust hidden. Have you checked the underneath carefully? Subframes are a common problem.

 

What I was thinking was cutting out the affected area, and molding the fiberglass to match the rest of the body, rather than try to roll new metal.