Bondo 128-fl oz Color-changing, Heavy Duty, Waterproof Interior/Exterior Brown Fiberglass Resin Repair in the Patching & Spackling Compound department at Lowes.com
Amazon.com: Total Boat TotalBoat 5:1 Epoxy Resin Kit (4.5 Gallons, Slow Hardener), Marine Grade Epoxy for Fiberglass and Wood Boat Building and Repair, Clear : Sports & Outdoors