Ok nothing has worked, lessen here is never use liquid nails and think resin will do well as a top coat. Lots of scraping and then broke out the sander. Trying to sand this shit out. Only thing working at this point. Sucks but got to have this complete this week. Wife needs garage for a freakin yard sale.
After all this I will wipe all down with wet rag and attempt a thin coat of spray paint just to insure there is not fiberglass dust blowing around in my truck when subs are playing.
I know one thing this sucks