Originally Posted by
francophile
Curious, has top-coating over the old paint held-up pretty well over the years? I've seen people do similar on automotive repairs in cases where the original clearcoat isn't peeling and the paint isn't a single-stage, which a lot of the solid color paints pre-1980 seem to be. I'd read elsewhere you can't use Spraymax 2K over single-stage paints, but I've failed to fact-check fully.
...I just finished that one this year, so I can't speak to longevity. I do know that thus far it seems to be much less fragile than the original stuff. Only time will tell.