Sika 610566 Sikaflex 291 Marine Polyurethane Adhesive Sealant Black 3oz

Sikaflex 291 is a one-component, fast-curing polyurethane-based marine adhesive and sealant engineered for demanding marine environments. This professional-grade compound features low viscosity for easy application and medium modulus flexibility to accommodate movement and vibration common in marine applications.

Key Features:

• Fast cure formula for reduced downtime on marine projects
• Low viscosity ensures smooth application and excellent gap filling
• Medium modulus provides flexible, movement-tolerant bonds
• Excellent adhesion to fiberglass, wood, metal, and gelcoat
• Superior resistance to saltwater, UV exposure, and weathering
• Ideal for deck hardware, equipment mounting, and through-hull fittings

This all-purpose marine-grade sealant is trusted by boat builders and marine professionals for general sealing applications including bedding deck hardware, securing equipment, and creating waterproof seals in above and below waterline applications. The 3 oz. tube size is perfect for smaller projects and repairs.