Try scuffing it up well with one of those green 3M scratch pads. It might not hurt to wash it down well with soap and water (and the scratch pad) to make sure there is no amine blush on the surface. A quick acetone wipe-down wouldn't hurt either.

Shawn

> I HAVE A BOAT PARTLY FINISHED THAT STILL NEEDED 2-3 MORE COATS OF EPOXY TO
> FILL IN THE WEAVE IN THE FIBREGLASS CLOTH WHEN I WAS UNABLE TO WORK ON IT
> FOR A FEW WEEKS. SINCE I CAN'T SAND IT DOWN VERY WELL WITHOUT SANDING THE
> CLOTH AND WEAKENING IT AND SYSTEMS 3 SAY SUBSEQUENT COATS OF EPOXY WON'T
> ADHERE UNLESS THERE IS A MECHANICAL BOND CREATED, I AM AT A BIT OF A LOSS
> AS TO HOW TO PROCEED. ANY ADVICE WOULD BE APPRECIATED. TOM