Sika Sikaflex® 291 Fast Cure - White - 3oz Tube

Sika Sikaflex® 291 Fast Cure in white is a marine-grade sealant trusted by serious boaters, anglers, and vessel operators who demand durability in both saltwater and freshwater environments. If you've spent years on the water, you know that maintaining hull integrity and watertight seals is essential for safety and equipment longevity.

This fast-curing polyurethane adhesive sealant is designed to withstand the demanding conditions of deck work, transom repairs, and structural bonding where standard caulks may fail. The Sikaflex® 291 creates a flexible, waterproof membrane that accommodates hull expansion and contraction due to temperature changes and wave loading, ensuring long-lasting performance.

Anglers and boat owners rely on Sika Sikaflex® 291 Fast Cure for applications such as transom sealing, through-hull fitting installation, and deck penetration sealing. Its compatibility with fiberglass, wood, metal, and painted surfaces makes it an ideal choice for both modern and classic boat construction, while the white color seamlessly matches gelcoat and paint finishes.