600 grit can be used to start, but 1000 grit is usually more common. It’s always better to start with a lower grit and go up from there to avoid over-sanding. Start with less aggressive grit sandpaper for gelcoat and test it on a small, unnoticeable area first. How much does it co...
Over time and with use, the gelcoat on your boat can become dull, making your boat look old. Restoring your gelcoat can help restore the shine of your boat and protect its surface. Begin by making sure any surface dirt and stains are...