JB Weld Marine Epoxy Adhesive 57oz – Waterproof Boat & Fiberglass Repair

JB Weld MarineWeld is a two-part epoxy adhesive designed for strong, permanent repairs on boats and marine equipment. It bonds a wide range of materials, including aluminum, metal, fiberglass, and composites, making it ideal for underwater and above-water fixes.

This epoxy sets in 4-6 hours and fully cures in 15-24 hours to a durable, dark grey finish. Once cured, it can be shaped, sanded, drilled, and painted, and is resistant to saltwater, chemicals, and petroleum.

• Easy 1:1 mix ratio
• Tensile strength: 3960 PSI
• Works on porous and non-porous surfaces
• Waterproof and chemical resistant
• Suitable for permanent boat hull repairs