What to do with foam in rear quarters?, getting rid of seam sealer Options

[amfab]

So this past weekend I was using a little torch to heat up—and more than occasionally set on fire—the seam sealer so I could scrape off the big globs of it all over the car. I came to realize that the foam people speak of in the rear corner of the car is just put in there and covered with seam sealer.
How do the cool kids deal with this area when restoring?

Thanks

-Andrew

[Chief]

I dug the expanded foam out. Then used plenty of etch primer, finally 3M stonechip and finished with body colour. I can understand why the factory used the foam method, but if compromised the rot sets in very quickly.

[defianty]

I dug the expanded foam out. Then used plenty of etch primer, finally 3M stonechip and finished with body colour. I can understand why the factory used the foam method, but if compromised the rot sets in very quickly.

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One of my corners had rotten through and I had to replace the area above the indicator. I pulled out the foam from both sides. Lots of epoxy primer and then my entire underside is coated in a product similar to Raptor. I left my underside black but that's just my preference.

[SirAndy]

I dug the expanded foam out. Then used plenty of etch primer, finally 3M stonechip and finished with body colour. I can understand why the factory used the foam method, but if compromised the rot sets in very quickly.

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[amfab]

Thanks everyone, Ill try the carb cleaner to get the last bits out then just leave it open and Raptor it all. It is now a SoCal car so if I clean it out once in a while I should be ok.

-Andrew