To fill a hole, where material is missing, use Gear Aid ...
14 hours ago · Wetsand the cured gelcoat with 320grit wet/dry paper on a soft sanding block. GelCoat Products has supplied gelcoat and other fiberglass support materials to the Marine, Shower, and RV industry for over 25 years, and have over 8,000 standards in house, our goal is to make the ordering process as simple and informative as it can be to the ...