Yes, it is thin but I know some who sand it down often with good results. My original board were not protected on the sides or the bottom so they rotted out when they got wet. I put epoxy around the sides and urethane all around on my new boards and after 8 years of constant abuse including getting wet a lot, they are still strong. So my advice is, if you pull the boards, at min put epoxy on the sides to keep water out.