There is also wax in the gel coat, which has to be removed by
grinding, as previously mentioned, or chemically washing because of
non adherence. In your case not to worry, as I doubt if there is any
wax left. your call.
Den
48ft YF EAGLE

On May 30, 9:23*am, Bruce wrote:
On Sun, 30 May 2010 01:52:13 +0100, Barnett22
Go tohttp://westsystem.com/ss/boat-repair/
By the way, gel coat is essentially polyester resin with a coloring
agent which is used to make a smooth finish on the outside of the
fiberglass structural layer. So, since it is just a surface finish it
should be ground completely off in the areas that you are bonding
additional glass.
:high build primer" as it will be a much better base coat.