> I'm just finishing up a 9' Kidyak (Glen-L Marine plans) and I'm
> unsure about how much epoxy is needed to fill the weave in the glass
> cloth. I've been adding layers with a foam roller and it's taken 5-10
> coats before the "checkerboard" pattern of the weave disappears.
> Do I have to keep coating until this pattern disappears, or will a
> couple of coats (after applying the glass) suffice?

If you put a nice even coat of epoxy on a rough layer, it will coat the bottom layer so evenly that the pattern will ``telegraph'' through. After 2 or three coats of epoxy you should have the weave filled.

After 2 coats try sanding gently. If a gentle sanding smooths things without digging into the actual fibers of the cloth, then you have enough resin on. If not, put on the 3rd coat and try again. A squeegee scrapes the excess off of the high areas and helps fill the low ones. You might try applying the resin with a roller and then going over it with a squeegee.

Paul Jacobson