Thread subject: Whaler Central - Boston Whaler Boat Information and Photos :: Gel-coat use

Posted by whalerman on 01/09/10 - 4:55 PM
#1

I am redoing the fwd hatch on my outrage and, was wondering if gel-coat will stick to epoxy resin or do I have to use polyester resin??
Thanks in advance

Posted by modenacart on 01/09/10 - 5:55 PM
#2

If you read some of the instructions on gelcoat, it will say to use it on polyester resin.

Posted by noreastfisherman on 01/11/10 - 1:19 PM
#3

Depending on the type of epoxy resin you used, (some brands have more amine blush than others) after curing, will normally have an amine blush that gelcoat will NOT stick to. Use plenty of water and a scotchbrite pad to remove the amine blush, then gelcoat using a quality gelcoat. For skinning issues and thickness issues, try using patch aid.

Edited by noreastfisherman on 01/11/10 - 3:18 PM

Posted by Blackduck on 01/11/10 - 1:34 PM
#4

Stick with resin. Why take any chances with adhesion?

Posted by modenacart on 01/11/10 - 1:43 PM
#5

Blackduck wrote:
Stick with resin. Why take any chances with adhesion?


I second this.

Posted by whalerman on 01/12/10 - 8:41 AM
#6

Ok, I'll use the polyester resin. It's been alittle too cool here to work in the shop with this so, haven't done anything but strip out the bad balsa wood in about a 1/3 of the hatch. Going to use star board as the new core. All cut to size just waiting for better temps. Thanks ~

Edited by whalerman on 01/12/10 - 8:42 AM