GM Dealerships used to carry some AC/Delco spray foam that was really good. Spray on, scrub a little bit, hose off.

Kept the white vinyl on our Valiant sprakly for years. Car had the factory vinyl top, intact and bright what for almost 30 years. I would say that's a pretty good run, eh?

Bloody Mary, Full of Vodka, Blessed art thou among cocktails....