wrote in message
oups.com...
I am repairing a fibreglass hull that has quite a few hairline cracks
and deep gouges over the hull. I sanded the hull using 180 grit wet &
dry and cleaned out the gouges using a small grinder. The hull has been
left to thoroughly dry for a few weeks after a good cleaning, and then
wiped over with acetone. I have applied some epoxy resin over a small
ares to test, the idea was for the resin to weep into the hairline
cracks and gouges to seal them before applying any required filler. I
used a roller to apply the resin to the hull and it looked good for a
couple of minutes, then it all went wrong. The resin formed hundreds of
little globules/islands and no amount of brushing or using a roller
would give me a smooth even coat.
What has happened???

Regards Bruce


##** Hello Bruce, I've done an fair amount of Epoxy repair and the problem
you describe sounds like gassing which happens when some type chemical
evaporates through the epoxy layer. Also any kind of silicone contaminate
will cause similar problems. I usually wipe down any surface with white
vinegar and then wash with soap and water before applying resin.Hope this
may help.

Rey