Check these guys out for Poly resins and carbon stuff.
http://www.fiberglasssupply.com/Product_Catalog/Polyester_Resins/polyester_resins.html

Also an easy fix to small problems is Formula 27, marine Bondo. dries white and sands easy and is less H2O permeable. dont know about gelcoating over it...sorry!

Last edited by dave mosley; 12/07/11 01:23 PM.

The men were amazed, and said, "What kind of a man is this, that even the winds and the sea obey Him?" Matthew 8:27