View Single Post
  #5   Report Post  
posted to rec.boats.building
Paul Oman Paul Oman is offline
external usenet poster
 
First recorded activity by BoatBanter: Jun 2007
Posts: 41
Default repairing gelcoat on an older canoe..

Sal wrote:
Paul Oman wrote in
:


"prime" the repair spots with solvent thinned epoxy. That
"patch/fair" those spots with either an exterior putty or
thickened epoxy. Now prime the entire hull with more solvent
thinned epoxy. Especially over those patch spots if you used
putty. Then paint with a quart of enamel from the hardware store.

paul oman
progressive epoxy polymers



Thank you to both of you who replied. Appreciated.

I have it sanded down now to 220 grit all over.

Another couple of questions thou' - haven't done this before...

What solvent should be used with Epoxy and in what quantity?



THIN THE EPOXY 20-50% OR SO BY VOLUME WITH ACETONE OR XYLENE ETC.
YOU MIGHT EVEN PIGMENT THE THINNED EPOXY - EASIER TO SEE WHAT YOU
ARE DOING AND LESS TOPCOATS TO COVER.



After priming the entire hull should I sand it again prior to painting?



WOULDN'T HURT - YOU ARE BOUND TO HAVE A FEW DRIPS/SAGS.

When you say a quart of enamel what exactly is that? In the store there's
latex based, acrylic based or oil based?


YOU CAN USE JUST ABOUT ANY PAINT, BUT ACE OR RUSTOLEUM OIL BASED
ENAMEL AT ABOUT $8 PER QUART WILL GO ON NICELY AND LOOK FINE.


If I don't mind the multi color patches could I leave the epoxy primer over
the entire hull as the 'paint'?


YES THE ENAMEL IS MOSTLY FOR LOOKS. THE EPOXY ITSELF WILL YELLOW
AND LOSE IT SHINE, BUT IF YOU DON'T CARE...

PAUL

thanks again