(2 pack) 3M Marine Adhesive Sealant Cartridge, Permanent Bonding Sealing Waterproof Repair, White, 10 fl oz

Includes 3M Marine Adhesive Sealant Cartridge, Permanent Bonding Sealing Waterproof Repair, White, 10 fl oz, is a one-component, high-strength, moisture-curing, gap-filling polyurethane for permanent bonding of wood, gelcoat and fiberglass. It cures to form a firm, rubbery, waterproof seal on joints and boat hardware, above and below the waterline. Capable of retaining strong bonds during vibration, swelling, shrinking or shock Achieves handling strength in 48 hours Tough and flexible polyurethane polymer forms strong bonds Industry standard for over 50 years Offers extended working time Permanent bonding above and below the waterline