The 3M 10oz Cartridge White Fast Cure delivers a robust seal that maintains its strength both above and below the waterline, ensuring reliable performance in demanding marine environments. Its flexibility accommodates structural movement without compromising integrity. Engineered for superior resistance to weathering and saltwater, this sealant becomes tack-free within one hour and fully cures in approximately 24 hours, providing a durable, long-lasting bond ideal for professional applications.