The Gear Aid Aquasure + EP Epoxy Repair Putty is a quick-curing, waterproof repair solution that bonds to most solid surfaces. Suitable for fixing cracks, holes, and scratches both on dry land and underwater, it cures within one hour into a durable seal. Once hardened, it can be drilled, sanded, and painted, making it ideal for efficient maintenance of boats, canoes, surfboards, and other watersports equipment.