Ready to Underseal

Quite a lot of rust there

Are both of your cars hardtop? (difficult to tell from the pictures...)

Just remembered!
When you weld the floor, mask off/cover the windows. I didn't and ended up with tiny pock marks in the glass.
I'm not saying weld splatter did this, it could be from using an angle grinder for cutting the rust out to start with. All I know is, the glass wasn't like that before the repair.

The rear arches (and the majority of the under side of the body work) on Jimny’s have a textured finish to them, and it seems to hold up well against stone chips and rust. Don’t really see the point in undersealing these areas… I think I’m going to focus on the bare metal and the chassis. Might even use masking tape to keep my lines a bit neater OCD much!

Mine is showing far less rust, and is mainly just surface scabs. Planning on using rust converter on the worst areas, and then waxoyl underseal

This is the one thing i hated about my Jimny... the boot floor

goatboy wrote: Quite a lot of rust there

Are both of your cars hardtop? (difficult to tell from the pictures...)[/quote

if you look at both our avitar pic you will see

bear metal on the chassis where is that i looked under mine ant it fully undersealed with a thick layer apart from the boot floor

Got both my rear arches undersealed this weekend… along with all the prep and rust treatment around the welds on the chassis. If you get underneath and look about 10inches in front of the rear wheels there is a body mount… which was quite heavily corroded on mine

As you said, in the main the arches are covered in a plastic like underseal except the boot floor, which I’ll get painted when I remove the back box and towbar