According to Art :
I would remove the vinyl but if it is full glued down that won't be easy.
Vinyl outgasses forever so that is why I would get rid of it. Also will let
go at the exact wrong time.

Let go exactly where? Catatrophic collapse means that the laminate
falls about 1/8" ;-)
--
Chris Lewis,

Age and Treachery will Triumph over Youth and Skill
It's not just anyone who gets a Starship Cruiser class named after them.