> Just finished the inside of my boat - one layer of glass with one coat of
> epoxy. I am planning to leave the weave unfilled to create a non-skid
> effect.

> Question: In the past I have always roughed up the epoxy with sandpaper
> before varnishing. Is this necessary? The epoxy is fairly rough due to the
> weave of the glass - and the sanding tends to be very superficial, hitting
> only the high spots. Can I get away without sanding the epoxy first?

> Thanks.

Sand it lightly. You'll knock down some of the high spots, and maybe find a run or two that need greater attention. The varnish is going to flow into the low spots on that unfilled weave and fill them a bit, so put on thin coats.

Paul Jacobson