Sikaflex 291i is a non-sag 1-component polyurethane sealant specifically developed for the marine market, which cures on exposure to atmospheric moisture. Sikaflex 291i meets in addition the low spread of flame requirements set out by the International Maritime Organisation (IMO).

It is a multipurpose product used in marine constructions. It is suitable for making elastic, vibration-resistant joint seals, and can also be used for a variety of interior sealing applications. It bonds extremely well to the materials commonly used in marine construction like wood, metals, metal primers and paint coatings (2-component systems), ceramic materials and plastics (GRP, etc.). It must not be used to seal plastics that are prone to stress cracking (e.g. PMMA, PC, etc.).

Product benefits

• Wheelmark approved
• 1-component formulation
• Highly elastic
• Low odour
• Non-corrosive
• Can be painted
• Bonds well to a wide variety of marine substrates
• Solvent free
• Very low VOC
• Low isocyanate content

Important: This product is suitable for experienced professional users only. Test with actual substrates and conditions have to be performed to ensure adhesion and material compatibility.

*To receive the Safety Data Sheet please fill in the form in the “Contact” tab