You will be able to see the gaps, but the epoxy will fill them. Some schmutz pushed into the gap will make them less visible.

> I am currently building my first kayak and am preparing the hull for
> glassing. I would like to know how perfect my hull has to be? In some
> places were the joints did not have a perfect fit, a line/groove approx.
> 1/64" to 1/32" deep are showing along the length of the strip.
> should all of these be filled with a fairing compound or will the epoxy
> and glass keep these from showing.