Help with helmsman spar urethane

Submitted by trevor on Sat, 08/10/2013 - 08:14

I am having a challenge getting the urethane to cover perfectly. I'm sanding between coats lightly, and overall it looks decent, but when I look closely at an angle, I am getting thin gaps in the urethane in a couple spots above where the planks in the table butt together. I have a photo to send if it will help

Advice?

Trevor